Finding the Third Proportional to 149,286 and 231,141

Step by Step Solution

1. Step 1: Write the proportion equation
   149,286 : 231,141 = 231,141 : x
2. Step 2: Convert to fraction form
   149,286/231,141 = 231,141/x
3. Step 3: Cross multiply
   149,286x = 231,141 × 231,141
4. Step 4: Simplify right side
   149,286x = 53,426,161,881
5. Step 5: Solve for x
   x = 53,426,161,881/149,286
6. Step 6: Final answer
   x = 357,877.91