Finding the Third Proportional to 113,605 and 247,156

Step by Step Solution

1. Step 1: Write the proportion equation
   113,605 : 247,156 = 247,156 : x
2. Step 2: Convert to fraction form
   113,605/247,156 = 247,156/x
3. Step 3: Cross multiply
   113,605x = 247,156 × 247,156
4. Step 4: Simplify right side
   113,605x = 61,086,088,336
5. Step 5: Solve for x
   x = 61,086,088,336/113,605
6. Step 6: Final answer
   x = 537,705.98