Finding the Third Proportional to 155,643 and 234,092.25

Step by Step Solution

1. Step 1: Write the proportion equation
   155,643 : 234,092.25 = 234,092.25 : x
2. Step 2: Convert to fraction form
   155,643/234,092.25 = 234,092.25/x
3. Step 3: Cross multiply
   155,643x = 234,092.25 × 234,092.25
4. Step 4: Simplify right side
   155,643x = 54,799,181,510.06
5. Step 5: Solve for x
   x = 54,799,181,510.06/155,643
6. Step 6: Final answer
   x = 352,082.53