Finding the Third Proportional to 149,326 and 231,550

Step by Step Solution

1. Step 1: Write the proportion equation
   149,326 : 231,550 = 231,550 : x
2. Step 2: Convert to fraction form
   149,326/231,550 = 231,550/x
3. Step 3: Cross multiply
   149,326x = 231,550 × 231,550
4. Step 4: Simplify right side
   149,326x = 53,615,402,500
5. Step 5: Solve for x
   x = 53,615,402,500/149,326
6. Step 6: Final answer
   x = 359,049.35