Finding the Third Proportional to 2,558,204,098,620 and 5,688,386,120,865

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,204,098,620 : 5,688,386,120,865 = 5,688,386,120,865 : x
2. Step 2: Convert to fraction form
   2,558,204,098,620/5,688,386,120,865 = 5,688,386,120,865/x
3. Step 3: Cross multiply
   2,558,204,098,620x = 5,688,386,120,865 × 5,688,386,120,865
4. Step 4: Simplify right side
   2,558,204,098,620x = 32,357,736,660,049,561,164,709,888
5. Step 5: Solve for x
   x = 32,357,736,660,049,561,164,709,888/2,558,204,098,620
6. Step 6: Final answer
   x = 12,648,614,188,955.70