Finding the Third Proportional to 67,134 and 90,855

Step by Step Solution

1. Step 1: Write the proportion equation
   67,134 : 90,855 = 90,855 : x
2. Step 2: Convert to fraction form
   67,134/90,855 = 90,855/x
3. Step 3: Cross multiply
   67,134x = 90,855 × 90,855
4. Step 4: Simplify right side
   67,134x = 8,254,631,025
5. Step 5: Solve for x
   x = 8,254,631,025/67,134
6. Step 6: Final answer
   x = 122,957.53