Finding the Third Proportional to 155,090 and 233,931

Step by Step Solution

1. Step 1: Write the proportion equation
   155,090 : 233,931 = 233,931 : x
2. Step 2: Convert to fraction form
   155,090/233,931 = 233,931/x
3. Step 3: Cross multiply
   155,090x = 233,931 × 233,931
4. Step 4: Simplify right side
   155,090x = 54,723,712,761
5. Step 5: Solve for x
   x = 54,723,712,761/155,090
6. Step 6: Final answer
   x = 352,851.33