Finding the Third Proportional to 521,826,409.50 and 1,118,350,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   521,826,409.50 : 1,118,350,693.50 = 1,118,350,693.50 : x
2. Step 2: Convert to fraction form
   521,826,409.50/1,118,350,693.50 = 1,118,350,693.50/x
3. Step 3: Cross multiply
   521,826,409.50x = 1,118,350,693.50 × 1,118,350,693.50
4. Step 4: Simplify right side
   521,826,409.50x = 1,250,708,273,651,930,880
5. Step 5: Solve for x
   x = 1,250,708,273,651,930,880/521,826,409.50
6. Step 6: Final answer
   x = 2,396,789,911.13