Finding the Third Proportional to 67,818 and 102,222

Step by Step Solution

1. Step 1: Write the proportion equation
   67,818 : 102,222 = 102,222 : x
2. Step 2: Convert to fraction form
   67,818/102,222 = 102,222/x
3. Step 3: Cross multiply
   67,818x = 102,222 × 102,222
4. Step 4: Simplify right side
   67,818x = 10,449,337,284
5. Step 5: Solve for x
   x = 10,449,337,284/67,818
6. Step 6: Final answer
   x = 154,079.11