Finding the Third Proportional to 53,967.50 and 80,957.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,967.50 : 80,957.50 = 80,957.50 : x
2. Step 2: Convert to fraction form
   53,967.50/80,957.50 = 80,957.50/x
3. Step 3: Cross multiply
   53,967.50x = 80,957.50 × 80,957.50
4. Step 4: Simplify right side
   53,967.50x = 6,554,116,806.25
5. Step 5: Solve for x
   x = 6,554,116,806.25/53,967.50
6. Step 6: Final answer
   x = 121,445.63