Finding the Third Proportional to 174,870 and 262,307.25

Step by Step Solution

1. Step 1: Write the proportion equation
   174,870 : 262,307.25 = 262,307.25 : x
2. Step 2: Convert to fraction form
   174,870/262,307.25 = 262,307.25/x
3. Step 3: Cross multiply
   174,870x = 262,307.25 × 262,307.25
4. Step 4: Simplify right side
   174,870x = 68,805,093,402.56
5. Step 5: Solve for x
   x = 68,805,093,402.56/174,870
6. Step 6: Final answer
   x = 393,464.25