Finding the Third Proportional to 3,898,515 and 5,847,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898,515 : 5,847,772.50 = 5,847,772.50 : x
2. Step 2: Convert to fraction form
   3,898,515/5,847,772.50 = 5,847,772.50/x
3. Step 3: Cross multiply
   3,898,515x = 5,847,772.50 × 5,847,772.50
4. Step 4: Simplify right side
   3,898,515x = 34,196,443,211,756.25
5. Step 5: Solve for x
   x = 34,196,443,211,756.25/3,898,515
6. Step 6: Final answer
   x = 8,771,658.75