Finding the Third Proportional to 2,598,915 and 3,898,372.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598,915 : 3,898,372.50 = 3,898,372.50 : x
2. Step 2: Convert to fraction form
   2,598,915/3,898,372.50 = 3,898,372.50/x
3. Step 3: Cross multiply
   2,598,915x = 3,898,372.50 × 3,898,372.50
4. Step 4: Simplify right side
   2,598,915x = 15,197,308,148,756.25
5. Step 5: Solve for x
   x = 15,197,308,148,756.25/2,598,915
6. Step 6: Final answer
   x = 5,847,558.75