Finding the Third Proportional to 707,818,428 and 1,098,994,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   707,818,428 : 1,098,994,123.50 = 1,098,994,123.50 : x
2. Step 2: Convert to fraction form
   707,818,428/1,098,994,123.50 = 1,098,994,123.50/x
3. Step 3: Cross multiply
   707,818,428x = 1,098,994,123.50 × 1,098,994,123.50
4. Step 4: Simplify right side
   707,818,428x = 1,207,788,083,487,533,312
5. Step 5: Solve for x
   x = 1,207,788,083,487,533,312/707,818,428
6. Step 6: Final answer
   x = 1,706,352,979.39