Finding the Third Proportional to 790,691,857.50 and 1,156,931,776.50

Step by Step Solution

1. Step 1: Write the proportion equation
   790,691,857.50 : 1,156,931,776.50 = 1,156,931,776.50 : x
2. Step 2: Convert to fraction form
   790,691,857.50/1,156,931,776.50 = 1,156,931,776.50/x
3. Step 3: Cross multiply
   790,691,857.50x = 1,156,931,776.50 × 1,156,931,776.50
4. Step 4: Simplify right side
   790,691,857.50x = 1,338,491,135,475,446,016
5. Step 5: Solve for x
   x = 1,338,491,135,475,446,016/790,691,857.50
6. Step 6: Final answer
   x = 1,692,810,065.99