Finding the Third Proportional to 78,248 and 112,132

Step by Step Solution

1. Step 1: Write the proportion equation
   78,248 : 112,132 = 112,132 : x
2. Step 2: Convert to fraction form
   78,248/112,132 = 112,132/x
3. Step 3: Cross multiply
   78,248x = 112,132 × 112,132
4. Step 4: Simplify right side
   78,248x = 12,573,585,424
5. Step 5: Solve for x
   x = 12,573,585,424/78,248
6. Step 6: Final answer
   x = 160,688.90