Finding the Third Proportional to 77,411.25 and 169,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,411.25 : 169,573.50 = 169,573.50 : x
2. Step 2: Convert to fraction form
   77,411.25/169,573.50 = 169,573.50/x
3. Step 3: Cross multiply
   77,411.25x = 169,573.50 × 169,573.50
4. Step 4: Simplify right side
   77,411.25x = 28,755,171,902.25
5. Step 5: Solve for x
   x = 28,755,171,902.25/77,411.25
6. Step 6: Final answer
   x = 371,459.86