Finding the Third Proportional to 39,098 and 64,712.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,098 : 64,712.50 = 64,712.50 : x
2. Step 2: Convert to fraction form
   39,098/64,712.50 = 64,712.50/x
3. Step 3: Cross multiply
   39,098x = 64,712.50 × 64,712.50
4. Step 4: Simplify right side
   39,098x = 4,187,707,656.25
5. Step 5: Solve for x
   x = 4,187,707,656.25/39,098
6. Step 6: Final answer
   x = 107,107.98