Finding the Third Proportional to 174,603 and 266,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,603 : 266,956.50 = 266,956.50 : x
2. Step 2: Convert to fraction form
   174,603/266,956.50 = 266,956.50/x
3. Step 3: Cross multiply
   174,603x = 266,956.50 × 266,956.50
4. Step 4: Simplify right side
   174,603x = 71,265,772,892.25
5. Step 5: Solve for x
   x = 71,265,772,892.25/174,603
6. Step 6: Final answer
   x = 408,158.93