Finding the Third Proportional to 78,070.22 and 167,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,070.22 : 167,980.50 = 167,980.50 : x
2. Step 2: Convert to fraction form
   78,070.22/167,980.50 = 167,980.50/x
3. Step 3: Cross multiply
   78,070.22x = 167,980.50 × 167,980.50
4. Step 4: Simplify right side
   78,070.22x = 28,217,448,380.25
5. Step 5: Solve for x
   x = 28,217,448,380.25/78,070.22
6. Step 6: Final answer
   x = 361,436.78