Finding the Third Proportional to 40,362.50 and 55,407

Step by Step Solution

1. Step 1: Write the proportion equation
   40,362.50 : 55,407 = 55,407 : x
2. Step 2: Convert to fraction form
   40,362.50/55,407 = 55,407/x
3. Step 3: Cross multiply
   40,362.50x = 55,407 × 55,407
4. Step 4: Simplify right side
   40,362.50x = 3,069,935,649
5. Step 5: Solve for x
   x = 3,069,935,649/40,362.50
6. Step 6: Final answer
   x = 76,059.11