Finding the Third Proportional to 149,328 and 231,214.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,328 : 231,214.50 = 231,214.50 : x
2. Step 2: Convert to fraction form
   149,328/231,214.50 = 231,214.50/x
3. Step 3: Cross multiply
   149,328x = 231,214.50 × 231,214.50
4. Step 4: Simplify right side
   149,328x = 53,460,145,010.25
5. Step 5: Solve for x
   x = 53,460,145,010.25/149,328
6. Step 6: Final answer
   x = 358,004.83