Finding the Third Proportional to 74,647.50 and 113,156

Step by Step Solution

1. Step 1: Write the proportion equation
   74,647.50 : 113,156 = 113,156 : x
2. Step 2: Convert to fraction form
   74,647.50/113,156 = 113,156/x
3. Step 3: Cross multiply
   74,647.50x = 113,156 × 113,156
4. Step 4: Simplify right side
   74,647.50x = 12,804,280,336
5. Step 5: Solve for x
   x = 12,804,280,336/74,647.50
6. Step 6: Final answer
   x = 171,529.93