Finding the Third Proportional to 64,017 and 89,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,017 : 89,518.50 = 89,518.50 : x
2. Step 2: Convert to fraction form
   64,017/89,518.50 = 89,518.50/x
3. Step 3: Cross multiply
   64,017x = 89,518.50 × 89,518.50
4. Step 4: Simplify right side
   64,017x = 8,013,561,842.25
5. Step 5: Solve for x
   x = 8,013,561,842.25/64,017
6. Step 6: Final answer
   x = 125,178.65