Finding the Third Proportional to 54,435.75 and 83,273.63

Step by Step Solution

1. Step 1: Write the proportion equation
   54,435.75 : 83,273.63 = 83,273.63 : x
2. Step 2: Convert to fraction form
   54,435.75/83,273.63 = 83,273.63/x
3. Step 3: Cross multiply
   54,435.75x = 83,273.63 × 83,273.63
4. Step 4: Simplify right side
   54,435.75x = 6,934,496,620.64
5. Step 5: Solve for x
   x = 6,934,496,620.64/54,435.75
6. Step 6: Final answer
   x = 127,388.65