Finding the Third Proportional to 174,781.50 and 374,490

Step by Step Solution

1. Step 1: Write the proportion equation
   174,781.50 : 374,490 = 374,490 : x
2. Step 2: Convert to fraction form
   174,781.50/374,490 = 374,490/x
3. Step 3: Cross multiply
   174,781.50x = 374,490 × 374,490
4. Step 4: Simplify right side
   174,781.50x = 140,242,760,100
5. Step 5: Solve for x
   x = 140,242,760,100/174,781.50
6. Step 6: Final answer
   x = 802,389.04