Finding the Third Proportional to 71,077.50 and 140,150.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,077.50 : 140,150.25 = 140,150.25 : x
2. Step 2: Convert to fraction form
   71,077.50/140,150.25 = 140,150.25/x
3. Step 3: Cross multiply
   71,077.50x = 140,150.25 × 140,150.25
4. Step 4: Simplify right side
   71,077.50x = 19,642,092,575.06
5. Step 5: Solve for x
   x = 19,642,092,575.06/71,077.50
6. Step 6: Final answer
   x = 276,347.54