Finding the Third Proportional to 54,480 and 75,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,480 : 75,019.50 = 75,019.50 : x
2. Step 2: Convert to fraction form
   54,480/75,019.50 = 75,019.50/x
3. Step 3: Cross multiply
   54,480x = 75,019.50 × 75,019.50
4. Step 4: Simplify right side
   54,480x = 5,627,925,380.25
5. Step 5: Solve for x
   x = 5,627,925,380.25/54,480
6. Step 6: Final answer
   x = 103,302.60