Finding the Third Proportional to 64,972.50 and 141,042

Step by Step Solution

1. Step 1: Write the proportion equation
   64,972.50 : 141,042 = 141,042 : x
2. Step 2: Convert to fraction form
   64,972.50/141,042 = 141,042/x
3. Step 3: Cross multiply
   64,972.50x = 141,042 × 141,042
4. Step 4: Simplify right side
   64,972.50x = 19,892,845,764
5. Step 5: Solve for x
   x = 19,892,845,764/64,972.50
6. Step 6: Final answer
   x = 306,173.32