Finding the Third Proportional to 174,904.31 and 374,680.69

Step by Step Solution

1. Step 1: Write the proportion equation
   174,904.31 : 374,680.69 = 374,680.69 : x
2. Step 2: Convert to fraction form
   174,904.31/374,680.69 = 374,680.69/x
3. Step 3: Cross multiply
   174,904.31x = 374,680.69 × 374,680.69
4. Step 4: Simplify right side
   174,904.31x = 140,385,617,585.47
5. Step 5: Solve for x
   x = 140,385,617,585.47/174,904.31
6. Step 6: Final answer
   x = 802,642.40