Finding the Third Proportional to 3,600,513 and 8,499,352.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600,513 : 8,499,352.50 = 8,499,352.50 : x
2. Step 2: Convert to fraction form
   3,600,513/8,499,352.50 = 8,499,352.50/x
3. Step 3: Cross multiply
   3,600,513x = 8,499,352.50 × 8,499,352.50
4. Step 4: Simplify right side
   3,600,513x = 72,238,992,919,256.25
5. Step 5: Solve for x
   x = 72,238,992,919,256.25/3,600,513
6. Step 6: Final answer
   x = 20,063,527.87