Finding the Third Proportional to 78,603.50 and 169,714

Step by Step Solution

1. Step 1: Write the proportion equation
   78,603.50 : 169,714 = 169,714 : x
2. Step 2: Convert to fraction form
   78,603.50/169,714 = 169,714/x
3. Step 3: Cross multiply
   78,603.50x = 169,714 × 169,714
4. Step 4: Simplify right side
   78,603.50x = 28,802,841,796
5. Step 5: Solve for x
   x = 28,802,841,796/78,603.50
6. Step 6: Final answer
   x = 366,432.05