Finding the Third Proportional to 112,432 and 168,040

Step by Step Solution

1. Step 1: Write the proportion equation
   112,432 : 168,040 = 168,040 : x
2. Step 2: Convert to fraction form
   112,432/168,040 = 168,040/x
3. Step 3: Cross multiply
   112,432x = 168,040 × 168,040
4. Step 4: Simplify right side
   112,432x = 28,237,441,600
5. Step 5: Solve for x
   x = 28,237,441,600/112,432
6. Step 6: Final answer
   x = 251,151.29