Finding the Third Proportional to 140,784 and 307,812

Step by Step Solution

1. Step 1: Write the proportion equation
   140,784 : 307,812 = 307,812 : x
2. Step 2: Convert to fraction form
   140,784/307,812 = 307,812/x
3. Step 3: Cross multiply
   140,784x = 307,812 × 307,812
4. Step 4: Simplify right side
   140,784x = 94,748,227,344
5. Step 5: Solve for x
   x = 94,748,227,344/140,784
6. Step 6: Final answer
   x = 673,004.23