Finding the Third Proportional to 54,097,663 and 83,779,643

Step by Step Solution

1. Step 1: Write the proportion equation
   54,097,663 : 83,779,643 = 83,779,643 : x
2. Step 2: Convert to fraction form
   54,097,663/83,779,643 = 83,779,643/x
3. Step 3: Cross multiply
   54,097,663x = 83,779,643 × 83,779,643
4. Step 4: Simplify right side
   54,097,663x = 7,019,028,581,207,449
5. Step 5: Solve for x
   x = 7,019,028,581,207,449/54,097,663
6. Step 6: Final answer
   x = 129,747,353.06