Finding the Third Proportional to 64,391 and 98,500

Step by Step Solution

1. Step 1: Write the proportion equation
   64,391 : 98,500 = 98,500 : x
2. Step 2: Convert to fraction form
   64,391/98,500 = 98,500/x
3. Step 3: Cross multiply
   64,391x = 98,500 × 98,500
4. Step 4: Simplify right side
   64,391x = 9,702,250,000
5. Step 5: Solve for x
   x = 9,702,250,000/64,391
6. Step 6: Final answer
   x = 150,677.11