Finding the Third Proportional to 54,619.50 and 73,398.75

Step by Step Solution

1. Step 1: Write the proportion equation
   54,619.50 : 73,398.75 = 73,398.75 : x
2. Step 2: Convert to fraction form
   54,619.50/73,398.75 = 73,398.75/x
3. Step 3: Cross multiply
   54,619.50x = 73,398.75 × 73,398.75
4. Step 4: Simplify right side
   54,619.50x = 5,387,376,501.56
5. Step 5: Solve for x
   x = 5,387,376,501.56/54,619.50
6. Step 6: Final answer
   x = 98,634.67