Finding the Third Proportional to 162,061.50 and 245,328

Step by Step Solution

1. Step 1: Write the proportion equation
   162,061.50 : 245,328 = 245,328 : x
2. Step 2: Convert to fraction form
   162,061.50/245,328 = 245,328/x
3. Step 3: Cross multiply
   162,061.50x = 245,328 × 245,328
4. Step 4: Simplify right side
   162,061.50x = 60,185,827,584
5. Step 5: Solve for x
   x = 60,185,827,584/162,061.50
6. Step 6: Final answer
   x = 371,376.47