Finding the Third Proportional to 56,149.50 and 84,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,149.50 : 84,451.50 = 84,451.50 : x
2. Step 2: Convert to fraction form
   56,149.50/84,451.50 = 84,451.50/x
3. Step 3: Cross multiply
   56,149.50x = 84,451.50 × 84,451.50
4. Step 4: Simplify right side
   56,149.50x = 7,132,055,852.25
5. Step 5: Solve for x
   x = 7,132,055,852.25/56,149.50
6. Step 6: Final answer
   x = 127,019.04