Finding the Third Proportional to 72,192 and 113,152

Step by Step Solution

1. Step 1: Write the proportion equation
   72,192 : 113,152 = 113,152 : x
2. Step 2: Convert to fraction form
   72,192/113,152 = 113,152/x
3. Step 3: Cross multiply
   72,192x = 113,152 × 113,152
4. Step 4: Simplify right side
   72,192x = 12,803,375,104
5. Step 5: Solve for x
   x = 12,803,375,104/72,192
6. Step 6: Final answer
   x = 177,351.72