Finding the Third Proportional to 40,550.63 and 72,292.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,550.63 : 72,292.50 = 72,292.50 : x
2. Step 2: Convert to fraction form
   40,550.63/72,292.50 = 72,292.50/x
3. Step 3: Cross multiply
   40,550.63x = 72,292.50 × 72,292.50
4. Step 4: Simplify right side
   40,550.63x = 5,226,205,556.25
5. Step 5: Solve for x
   x = 5,226,205,556.25/40,550.63
6. Step 6: Final answer
   x = 128,881.01