Finding the Third Proportional to 113,605.50 and 247,158

Step by Step Solution

1. Step 1: Write the proportion equation
   113,605.50 : 247,158 = 247,158 : x
2. Step 2: Convert to fraction form
   113,605.50/247,158 = 247,158/x
3. Step 3: Cross multiply
   113,605.50x = 247,158 × 247,158
4. Step 4: Simplify right side
   113,605.50x = 61,087,076,964
5. Step 5: Solve for x
   x = 61,087,076,964/113,605.50
6. Step 6: Final answer
   x = 537,712.32