Finding the Third Proportional to 74,412 and 112,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,412 : 112,288.50 = 112,288.50 : x
2. Step 2: Convert to fraction form
   74,412/112,288.50 = 112,288.50/x
3. Step 3: Cross multiply
   74,412x = 112,288.50 × 112,288.50
4. Step 4: Simplify right side
   74,412x = 12,608,707,232.25
5. Step 5: Solve for x
   x = 12,608,707,232.25/74,412
6. Step 6: Final answer
   x = 169,444.54