Finding the Third Proportional to 140,030 and 307,274

Step by Step Solution

1. Step 1: Write the proportion equation
   140,030 : 307,274 = 307,274 : x
2. Step 2: Convert to fraction form
   140,030/307,274 = 307,274/x
3. Step 3: Cross multiply
   140,030x = 307,274 × 307,274
4. Step 4: Simplify right side
   140,030x = 94,417,311,076
5. Step 5: Solve for x
   x = 94,417,311,076/140,030
6. Step 6: Final answer
   x = 674,264.88