Finding the Third Proportional to 74,517 and 112,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,517 : 112,738.50 = 112,738.50 : x
2. Step 2: Convert to fraction form
   74,517/112,738.50 = 112,738.50/x
3. Step 3: Cross multiply
   74,517x = 112,738.50 × 112,738.50
4. Step 4: Simplify right side
   74,517x = 12,709,969,382.25
5. Step 5: Solve for x
   x = 12,709,969,382.25/74,517
6. Step 6: Final answer
   x = 170,564.70