Finding the Third Proportional to 55,222 and 83,860

Step by Step Solution

1. Step 1: Write the proportion equation
   55,222 : 83,860 = 83,860 : x
2. Step 2: Convert to fraction form
   55,222/83,860 = 83,860/x
3. Step 3: Cross multiply
   55,222x = 83,860 × 83,860
4. Step 4: Simplify right side
   55,222x = 7,032,499,600
5. Step 5: Solve for x
   x = 7,032,499,600/55,222
6. Step 6: Final answer
   x = 127,349.60