Finding the Third Proportional to 55,404.50 and 75,330.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,404.50 : 75,330.75 = 75,330.75 : x
2. Step 2: Convert to fraction form
   55,404.50/75,330.75 = 75,330.75/x
3. Step 3: Cross multiply
   55,404.50x = 75,330.75 × 75,330.75
4. Step 4: Simplify right side
   55,404.50x = 5,674,721,895.56
5. Step 5: Solve for x
   x = 5,674,721,895.56/55,404.50
6. Step 6: Final answer
   x = 102,423.48