Finding the Third Proportional to 244,917 and 358,987.50

Step by Step Solution

1. Step 1: Write the proportion equation
   244,917 : 358,987.50 = 358,987.50 : x
2. Step 2: Convert to fraction form
   244,917/358,987.50 = 358,987.50/x
3. Step 3: Cross multiply
   244,917x = 358,987.50 × 358,987.50
4. Step 4: Simplify right side
   244,917x = 128,872,025,156.25
5. Step 5: Solve for x
   x = 128,872,025,156.25/244,917
6. Step 6: Final answer
   x = 526,186.53