Finding the Third Proportional to 72,448 and 112,896

Step by Step Solution

1. Step 1: Write the proportion equation
   72,448 : 112,896 = 112,896 : x
2. Step 2: Convert to fraction form
   72,448/112,896 = 112,896/x
3. Step 3: Cross multiply
   72,448x = 112,896 × 112,896
4. Step 4: Simplify right side
   72,448x = 12,745,506,816
5. Step 5: Solve for x
   x = 12,745,506,816/72,448
6. Step 6: Final answer
   x = 175,926.28