Finding the Third Proportional to 64,401.75 and 141,000

Step by Step Solution

1. Step 1: Write the proportion equation
   64,401.75 : 141,000 = 141,000 : x
2. Step 2: Convert to fraction form
   64,401.75/141,000 = 141,000/x
3. Step 3: Cross multiply
   64,401.75x = 141,000 × 141,000
4. Step 4: Simplify right side
   64,401.75x = 19,881,000,000
5. Step 5: Solve for x
   x = 19,881,000,000/64,401.75
6. Step 6: Final answer
   x = 308,702.79