Finding the Third Proportional to 64,500 and 99,625.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,500 : 99,625.50 = 99,625.50 : x
2. Step 2: Convert to fraction form
   64,500/99,625.50 = 99,625.50/x
3. Step 3: Cross multiply
   64,500x = 99,625.50 × 99,625.50
4. Step 4: Simplify right side
   64,500x = 9,925,240,250.25
5. Step 5: Solve for x
   x = 9,925,240,250.25/64,500
6. Step 6: Final answer
   x = 153,879.69