Finding the Third Proportional to 129,034 and 277,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,034 : 277,842.50 = 277,842.50 : x
2. Step 2: Convert to fraction form
   129,034/277,842.50 = 277,842.50/x
3. Step 3: Cross multiply
   129,034x = 277,842.50 × 277,842.50
4. Step 4: Simplify right side
   129,034x = 77,196,454,806.25
5. Step 5: Solve for x
   x = 77,196,454,806.25/129,034
6. Step 6: Final answer
   x = 598,264.45