Finding the Third Proportional to 71,802 and 112,931

Step by Step Solution

1. Step 1: Write the proportion equation
   71,802 : 112,931 = 112,931 : x
2. Step 2: Convert to fraction form
   71,802/112,931 = 112,931/x
3. Step 3: Cross multiply
   71,802x = 112,931 × 112,931
4. Step 4: Simplify right side
   71,802x = 12,753,410,761
5. Step 5: Solve for x
   x = 12,753,410,761/71,802
6. Step 6: Final answer
   x = 177,619.16