Finding the Third Proportional to 140,068 and 307,348

Step by Step Solution

1. Step 1: Write the proportion equation
   140,068 : 307,348 = 307,348 : x
2. Step 2: Convert to fraction form
   140,068/307,348 = 307,348/x
3. Step 3: Cross multiply
   140,068x = 307,348 × 307,348
4. Step 4: Simplify right side
   140,068x = 94,462,793,104
5. Step 5: Solve for x
   x = 94,462,793,104/140,068
6. Step 6: Final answer
   x = 674,406.67