Finding the Third Proportional to 69,385.50 and 146,025

Step by Step Solution

1. Step 1: Write the proportion equation
   69,385.50 : 146,025 = 146,025 : x
2. Step 2: Convert to fraction form
   69,385.50/146,025 = 146,025/x
3. Step 3: Cross multiply
   69,385.50x = 146,025 × 146,025
4. Step 4: Simplify right side
   69,385.50x = 21,323,300,625
5. Step 5: Solve for x
   x = 21,323,300,625/69,385.50
6. Step 6: Final answer
   x = 307,316.38