Finding the Third Proportional to 122,832 and 260,426.25

Step by Step Solution

1. Step 1: Write the proportion equation
   122,832 : 260,426.25 = 260,426.25 : x
2. Step 2: Convert to fraction form
   122,832/260,426.25 = 260,426.25/x
3. Step 3: Cross multiply
   122,832x = 260,426.25 × 260,426.25
4. Step 4: Simplify right side
   122,832x = 67,821,831,689.06
5. Step 5: Solve for x
   x = 67,821,831,689.06/122,832
6. Step 6: Final answer
   x = 552,151.16