Finding the Third Proportional to 78,469.50 and 167,712

Step by Step Solution

1. Step 1: Write the proportion equation
   78,469.50 : 167,712 = 167,712 : x
2. Step 2: Convert to fraction form
   78,469.50/167,712 = 167,712/x
3. Step 3: Cross multiply
   78,469.50x = 167,712 × 167,712
4. Step 4: Simplify right side
   78,469.50x = 28,127,314,944
5. Step 5: Solve for x
   x = 28,127,314,944/78,469.50
6. Step 6: Final answer
   x = 358,449.01