Finding the Third Proportional to 3,639,086,869.50 and 5,200,349,976

Step by Step Solution

1. Step 1: Write the proportion equation
   3,639,086,869.50 : 5,200,349,976 = 5,200,349,976 : x
2. Step 2: Convert to fraction form
   3,639,086,869.50/5,200,349,976 = 5,200,349,976/x
3. Step 3: Cross multiply
   3,639,086,869.50x = 5,200,349,976 × 5,200,349,976
4. Step 4: Simplify right side
   3,639,086,869.50x = 27,043,639,872,883,200,000
5. Step 5: Solve for x
   x = 27,043,639,872,883,200,000/3,639,086,869.50
6. Step 6: Final answer
   x = 7,431,435,643.80