Finding the Third Proportional to 690,866,741.25 and 1,061,366,412.38

Step by Step Solution

1. Step 1: Write the proportion equation
   690,866,741.25 : 1,061,366,412.38 = 1,061,366,412.38 : x
2. Step 2: Convert to fraction form
   690,866,741.25/1,061,366,412.38 = 1,061,366,412.38/x
3. Step 3: Cross multiply
   690,866,741.25x = 1,061,366,412.38 × 1,061,366,412.38
4. Step 4: Simplify right side
   690,866,741.25x = 1,126,498,661,317,778,560
5. Step 5: Solve for x
   x = 1,126,498,661,317,778,560/690,866,741.25
6. Step 6: Final answer
   x = 1,630,558,534.75