Finding the Third Proportional to 78,494 and 169,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,494 : 169,623.50 = 169,623.50 : x
2. Step 2: Convert to fraction form
   78,494/169,623.50 = 169,623.50/x
3. Step 3: Cross multiply
   78,494x = 169,623.50 × 169,623.50
4. Step 4: Simplify right side
   78,494x = 28,772,131,752.25
5. Step 5: Solve for x
   x = 28,772,131,752.25/78,494
6. Step 6: Final answer
   x = 366,551.99