Finding the Third Proportional to 1,236,865 and 2,685,231

Step by Step Solution

1. Step 1: Write the proportion equation
   1,236,865 : 2,685,231 = 2,685,231 : x
2. Step 2: Convert to fraction form
   1,236,865/2,685,231 = 2,685,231/x
3. Step 3: Cross multiply
   1,236,865x = 2,685,231 × 2,685,231
4. Step 4: Simplify right side
   1,236,865x = 7,210,465,523,361
5. Step 5: Solve for x
   x = 7,210,465,523,361/1,236,865
6. Step 6: Final answer
   x = 5,829,630.17