Finding the Third Proportional to 174,871.50 and 262,308

Step by Step Solution

1. Step 1: Write the proportion equation
   174,871.50 : 262,308 = 262,308 : x
2. Step 2: Convert to fraction form
   174,871.50/262,308 = 262,308/x
3. Step 3: Cross multiply
   174,871.50x = 262,308 × 262,308
4. Step 4: Simplify right side
   174,871.50x = 68,805,486,864
5. Step 5: Solve for x
   x = 68,805,486,864/174,871.50
6. Step 6: Final answer
   x = 393,463.13