Finding the Third Proportional to 78,492 and 169,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,492 : 169,619.50 = 169,619.50 : x
2. Step 2: Convert to fraction form
   78,492/169,619.50 = 169,619.50/x
3. Step 3: Cross multiply
   78,492x = 169,619.50 × 169,619.50
4. Step 4: Simplify right side
   78,492x = 28,770,774,780.25
5. Step 5: Solve for x
   x = 28,770,774,780.25/78,492
6. Step 6: Final answer
   x = 366,544.04