Finding the Third Proportional to 148,110 and 315,928

Step by Step Solution

1. Step 1: Write the proportion equation
   148,110 : 315,928 = 315,928 : x
2. Step 2: Convert to fraction form
   148,110/315,928 = 315,928/x
3. Step 3: Cross multiply
   148,110x = 315,928 × 315,928
4. Step 4: Simplify right side
   148,110x = 99,810,501,184
5. Step 5: Solve for x
   x = 99,810,501,184/148,110
6. Step 6: Final answer
   x = 673,894.41