Finding the Third Proportional to 40,362.88 and 55,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,362.88 : 55,407.50 = 55,407.50 : x
2. Step 2: Convert to fraction form
   40,362.88/55,407.50 = 55,407.50/x
3. Step 3: Cross multiply
   40,362.88x = 55,407.50 × 55,407.50
4. Step 4: Simplify right side
   40,362.88x = 3,069,991,056.25
5. Step 5: Solve for x
   x = 3,069,991,056.25/40,362.88
6. Step 6: Final answer
   x = 76,059.77