Finding the Third Proportional to 56,203.50 and 84,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,203.50 : 84,007.50 = 84,007.50 : x
2. Step 2: Convert to fraction form
   56,203.50/84,007.50 = 84,007.50/x
3. Step 3: Cross multiply
   56,203.50x = 84,007.50 × 84,007.50
4. Step 4: Simplify right side
   56,203.50x = 7,057,260,056.25
5. Step 5: Solve for x
   x = 7,057,260,056.25/56,203.50
6. Step 6: Final answer
   x = 125,566.20