Finding the Third Proportional to 122,607 and 166,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,607 : 166,414.50 = 166,414.50 : x
2. Step 2: Convert to fraction form
   122,607/166,414.50 = 166,414.50/x
3. Step 3: Cross multiply
   122,607x = 166,414.50 × 166,414.50
4. Step 4: Simplify right side
   122,607x = 27,693,785,810.25
5. Step 5: Solve for x
   x = 27,693,785,810.25/122,607
6. Step 6: Final answer
   x = 225,874.43