Finding the Third Proportional to 77,422 and 169,606.25

Step by Step Solution

1. Step 1: Write the proportion equation
   77,422 : 169,606.25 = 169,606.25 : x
2. Step 2: Convert to fraction form
   77,422/169,606.25 = 169,606.25/x
3. Step 3: Cross multiply
   77,422x = 169,606.25 × 169,606.25
4. Step 4: Simplify right side
   77,422x = 28,766,280,039.06
5. Step 5: Solve for x
   x = 28,766,280,039.06/77,422
6. Step 6: Final answer
   x = 371,551.76