Finding the Third Proportional to 40,750.50 and 86,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,750.50 : 86,407.50 = 86,407.50 : x
2. Step 2: Convert to fraction form
   40,750.50/86,407.50 = 86,407.50/x
3. Step 3: Cross multiply
   40,750.50x = 86,407.50 × 86,407.50
4. Step 4: Simplify right side
   40,750.50x = 7,466,256,056.25
5. Step 5: Solve for x
   x = 7,466,256,056.25/40,750.50
6. Step 6: Final answer
   x = 183,218.76