Finding the Third Proportional to 509,404,543 and 764,645,982

Step by Step Solution

1. Step 1: Write the proportion equation
   509,404,543 : 764,645,982 = 764,645,982 : x
2. Step 2: Convert to fraction form
   509,404,543/764,645,982 = 764,645,982/x
3. Step 3: Cross multiply
   509,404,543x = 764,645,982 × 764,645,982
4. Step 4: Simplify right side
   509,404,543x = 584,683,477,788,744,320
5. Step 5: Solve for x
   x = 584,683,477,788,744,320/509,404,543
6. Step 6: Final answer
   x = 1,147,778,294.92