Finding the Third Proportional to 127,111.78 and 273,904.03

Step by Step Solution

1. Step 1: Write the proportion equation
   127,111.78 : 273,904.03 = 273,904.03 : x
2. Step 2: Convert to fraction form
   127,111.78/273,904.03 = 273,904.03/x
3. Step 3: Cross multiply
   127,111.78x = 273,904.03 × 273,904.03
4. Step 4: Simplify right side
   127,111.78x = 75,023,418,335.00
5. Step 5: Solve for x
   x = 75,023,418,335.00/127,111.78
6. Step 6: Final answer
   x = 590,216.09