Finding the Third Proportional to 4,002,043,515.50 and 8,693,024,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,002,043,515.50 : 8,693,024,426.50 = 8,693,024,426.50 : x
2. Step 2: Convert to fraction form
   4,002,043,515.50/8,693,024,426.50 = 8,693,024,426.50/x
3. Step 3: Cross multiply
   4,002,043,515.50x = 8,693,024,426.50 × 8,693,024,426.50
4. Step 4: Simplify right side
   4,002,043,515.50x = 75,568,673,679,725,658,112
5. Step 5: Solve for x
   x = 75,568,673,679,725,658,112/4,002,043,515.50
6. Step 6: Final answer
   x = 18,882,521,738.47