Finding the Third Proportional to 78,719 and 169,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,719 : 169,875.50 = 169,875.50 : x
2. Step 2: Convert to fraction form
   78,719/169,875.50 = 169,875.50/x
3. Step 3: Cross multiply
   78,719x = 169,875.50 × 169,875.50
4. Step 4: Simplify right side
   78,719x = 28,857,685,500.25
5. Step 5: Solve for x
   x = 28,857,685,500.25/78,719
6. Step 6: Final answer
   x = 366,591.11