Finding the Third Proportional to 707,763,530 and 1,061,645,430

Step by Step Solution

1. Step 1: Write the proportion equation
   707,763,530 : 1,061,645,430 = 1,061,645,430 : x
2. Step 2: Convert to fraction form
   707,763,530/1,061,645,430 = 1,061,645,430/x
3. Step 3: Cross multiply
   707,763,530x = 1,061,645,430 × 1,061,645,430
4. Step 4: Simplify right side
   707,763,530x = 1,127,091,019,039,884,928
5. Step 5: Solve for x
   x = 1,127,091,019,039,884,928/707,763,530
6. Step 6: Final answer
   x = 1,592,468,347.50