Finding the Third Proportional to 141,426 and 307,746

Step by Step Solution

1. Step 1: Write the proportion equation
   141,426 : 307,746 = 307,746 : x
2. Step 2: Convert to fraction form
   141,426/307,746 = 307,746/x
3. Step 3: Cross multiply
   141,426x = 307,746 × 307,746
4. Step 4: Simplify right side
   141,426x = 94,707,600,516
5. Step 5: Solve for x
   x = 94,707,600,516/141,426
6. Step 6: Final answer
   x = 669,661.88