Finding the Third Proportional to 71,563.50 and 141,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,563.50 : 141,061.50 = 141,061.50 : x
2. Step 2: Convert to fraction form
   71,563.50/141,061.50 = 141,061.50/x
3. Step 3: Cross multiply
   71,563.50x = 141,061.50 × 141,061.50
4. Step 4: Simplify right side
   71,563.50x = 19,898,346,782.25
5. Step 5: Solve for x
   x = 19,898,346,782.25/71,563.50
6. Step 6: Final answer
   x = 278,051.62