Finding the Third Proportional to 54,255 and 83,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,255 : 83,998.50 = 83,998.50 : x
2. Step 2: Convert to fraction form
   54,255/83,998.50 = 83,998.50/x
3. Step 3: Cross multiply
   54,255x = 83,998.50 × 83,998.50
4. Step 4: Simplify right side
   54,255x = 7,055,748,002.25
5. Step 5: Solve for x
   x = 7,055,748,002.25/54,255
6. Step 6: Final answer
   x = 130,047.89