Finding the Third Proportional to 155,428.50 and 236,180.25

Step by Step Solution

1. Step 1: Write the proportion equation
   155,428.50 : 236,180.25 = 236,180.25 : x
2. Step 2: Convert to fraction form
   155,428.50/236,180.25 = 236,180.25/x
3. Step 3: Cross multiply
   155,428.50x = 236,180.25 × 236,180.25
4. Step 4: Simplify right side
   155,428.50x = 55,781,110,490.06
5. Step 5: Solve for x
   x = 55,781,110,490.06/155,428.50
6. Step 6: Final answer
   x = 358,885.99