Finding the Third Proportional to 155,641.50 and 234,090

Step by Step Solution

1. Step 1: Write the proportion equation
   155,641.50 : 234,090 = 234,090 : x
2. Step 2: Convert to fraction form
   155,641.50/234,090 = 234,090/x
3. Step 3: Cross multiply
   155,641.50x = 234,090 × 234,090
4. Step 4: Simplify right side
   155,641.50x = 54,798,128,100
5. Step 5: Solve for x
   x = 54,798,128,100/155,641.50
6. Step 6: Final answer
   x = 352,079.16