Finding the Third Proportional to 78,335.50 and 165,600.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,335.50 : 165,600.50 = 165,600.50 : x
2. Step 2: Convert to fraction form
   78,335.50/165,600.50 = 165,600.50/x
3. Step 3: Cross multiply
   78,335.50x = 165,600.50 × 165,600.50
4. Step 4: Simplify right side
   78,335.50x = 27,423,525,600.25
5. Step 5: Solve for x
   x = 27,423,525,600.25/78,335.50
6. Step 6: Final answer
   x = 350,077.88