Finding the Third Proportional to 77,892.75 and 169,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,892.75 : 169,456.50 = 169,456.50 : x
2. Step 2: Convert to fraction form
   77,892.75/169,456.50 = 169,456.50/x
3. Step 3: Cross multiply
   77,892.75x = 169,456.50 × 169,456.50
4. Step 4: Simplify right side
   77,892.75x = 28,715,505,392.25
5. Step 5: Solve for x
   x = 28,715,505,392.25/77,892.75
6. Step 6: Final answer
   x = 368,654.40