Finding the Third Proportional to 78,264 and 112,152

Step by Step Solution

1. Step 1: Write the proportion equation
   78,264 : 112,152 = 112,152 : x
2. Step 2: Convert to fraction form
   78,264/112,152 = 112,152/x
3. Step 3: Cross multiply
   78,264x = 112,152 × 112,152
4. Step 4: Simplify right side
   78,264x = 12,578,071,104
5. Step 5: Solve for x
   x = 12,578,071,104/78,264
6. Step 6: Final answer
   x = 160,713.37