Finding the Third Proportional to 74,346.61 and 112,209.05

Step by Step Solution

1. Step 1: Write the proportion equation
   74,346.61 : 112,209.05 = 112,209.05 : x
2. Step 2: Convert to fraction form
   74,346.61/112,209.05 = 112,209.05/x
3. Step 3: Cross multiply
   74,346.61x = 112,209.05 × 112,209.05
4. Step 4: Simplify right side
   74,346.61x = 12,590,870,200.60
5. Step 5: Solve for x
   x = 12,590,870,200.60/74,346.61
6. Step 6: Final answer
   x = 169,353.66