Finding the Third Proportional to 162,039 and 253,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,039 : 253,612.50 = 253,612.50 : x
2. Step 2: Convert to fraction form
   162,039/253,612.50 = 253,612.50/x
3. Step 3: Cross multiply
   162,039x = 253,612.50 × 253,612.50
4. Step 4: Simplify right side
   162,039x = 64,319,300,156.25
5. Step 5: Solve for x
   x = 64,319,300,156.25/162,039
6. Step 6: Final answer
   x = 396,937.16