Finding the Third Proportional to 548,083,279.50 and 1,278,905,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   548,083,279.50 : 1,278,905,179.69 = 1,278,905,179.69 : x
2. Step 2: Convert to fraction form
   548,083,279.50/1,278,905,179.69 = 1,278,905,179.69/x
3. Step 3: Cross multiply
   548,083,279.50x = 1,278,905,179.69 × 1,278,905,179.69
4. Step 4: Simplify right side
   548,083,279.50x = 1,635,598,458,631,516,672
5. Step 5: Solve for x
   x = 1,635,598,458,631,516,672/548,083,279.50
6. Step 6: Final answer
   x = 2,984,215,209.27