Finding the Third Proportional to 658,589,668.50 and 1,300,523,137.50

Step by Step Solution

1. Step 1: Write the proportion equation
   658,589,668.50 : 1,300,523,137.50 = 1,300,523,137.50 : x
2. Step 2: Convert to fraction form
   658,589,668.50/1,300,523,137.50 = 1,300,523,137.50/x
3. Step 3: Cross multiply
   658,589,668.50x = 1,300,523,137.50 × 1,300,523,137.50
4. Step 4: Simplify right side
   658,589,668.50x = 1,691,360,431,172,844,032
5. Step 5: Solve for x
   x = 1,691,360,431,172,844,032/658,589,668.50
6. Step 6: Final answer
   x = 2,568,155,123.09