Finding the Third Proportional to 115,074 and 246,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,074 : 246,139.50 = 246,139.50 : x
2. Step 2: Convert to fraction form
   115,074/246,139.50 = 246,139.50/x
3. Step 3: Cross multiply
   115,074x = 246,139.50 × 246,139.50
4. Step 4: Simplify right side
   115,074x = 60,584,653,460.25
5. Step 5: Solve for x
   x = 60,584,653,460.25/115,074
6. Step 6: Final answer
   x = 526,484.29