Finding the Third Proportional to 127,332 and 279,146.25

Step by Step Solution

1. Step 1: Write the proportion equation
   127,332 : 279,146.25 = 279,146.25 : x
2. Step 2: Convert to fraction form
   127,332/279,146.25 = 279,146.25/x
3. Step 3: Cross multiply
   127,332x = 279,146.25 × 279,146.25
4. Step 4: Simplify right side
   127,332x = 77,922,628,889.06
5. Step 5: Solve for x
   x = 77,922,628,889.06/127,332
6. Step 6: Final answer
   x = 611,964.23