Finding the Third Proportional to 64,401 and 98,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,401 : 98,521.50 = 98,521.50 : x
2. Step 2: Convert to fraction form
   64,401/98,521.50 = 98,521.50/x
3. Step 3: Cross multiply
   64,401x = 98,521.50 × 98,521.50
4. Step 4: Simplify right side
   64,401x = 9,706,485,962.25
5. Step 5: Solve for x
   x = 9,706,485,962.25/64,401
6. Step 6: Final answer
   x = 150,719.49