Finding the Third Proportional to 64,693.50 and 141,411

Step by Step Solution

1. Step 1: Write the proportion equation
   64,693.50 : 141,411 = 141,411 : x
2. Step 2: Convert to fraction form
   64,693.50/141,411 = 141,411/x
3. Step 3: Cross multiply
   64,693.50x = 141,411 × 141,411
4. Step 4: Simplify right side
   64,693.50x = 19,997,070,921
5. Step 5: Solve for x
   x = 19,997,070,921/64,693.50
6. Step 6: Final answer
   x = 309,104.79