Finding the Third Proportional to 78,230 and 168,252.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,230 : 168,252.50 = 168,252.50 : x
2. Step 2: Convert to fraction form
   78,230/168,252.50 = 168,252.50/x
3. Step 3: Cross multiply
   78,230x = 168,252.50 × 168,252.50
4. Step 4: Simplify right side
   78,230x = 28,308,903,756.25
5. Step 5: Solve for x
   x = 28,308,903,756.25/78,230
6. Step 6: Final answer
   x = 361,867.62