Finding the Third Proportional to 245,202 and 329,512.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,202 : 329,512.50 = 329,512.50 : x
2. Step 2: Convert to fraction form
   245,202/329,512.50 = 329,512.50/x
3. Step 3: Cross multiply
   245,202x = 329,512.50 × 329,512.50
4. Step 4: Simplify right side
   245,202x = 108,578,487,656.25
5. Step 5: Solve for x
   x = 108,578,487,656.25/245,202
6. Step 6: Final answer
   x = 442,812.41