Finding the Third Proportional to 67,222 and 146,297

Step by Step Solution

1. Step 1: Write the proportion equation
   67,222 : 146,297 = 146,297 : x
2. Step 2: Convert to fraction form
   67,222/146,297 = 146,297/x
3. Step 3: Cross multiply
   67,222x = 146,297 × 146,297
4. Step 4: Simplify right side
   67,222x = 21,402,812,209
5. Step 5: Solve for x
   x = 21,402,812,209/67,222
6. Step 6: Final answer
   x = 318,389.99