Finding the Third Proportional to 71,487.56 and 141,181.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,487.56 : 141,181.10 = 141,181.10 : x
2. Step 2: Convert to fraction form
   71,487.56/141,181.10 = 141,181.10/x
3. Step 3: Cross multiply
   71,487.56x = 141,181.10 × 141,181.10
4. Step 4: Simplify right side
   71,487.56x = 19,932,103,438.40
5. Step 5: Solve for x
   x = 19,932,103,438.40/71,487.56
6. Step 6: Final answer
   x = 278,819.18