Finding the Third Proportional to 64,850.50 and 141,059

Step by Step Solution

1. Step 1: Write the proportion equation
   64,850.50 : 141,059 = 141,059 : x
2. Step 2: Convert to fraction form
   64,850.50/141,059 = 141,059/x
3. Step 3: Cross multiply
   64,850.50x = 141,059 × 141,059
4. Step 4: Simplify right side
   64,850.50x = 19,897,641,481
5. Step 5: Solve for x
   x = 19,897,641,481/64,850.50
6. Step 6: Final answer
   x = 306,823.25