Finding the Third Proportional to 140,116 and 307,484

Step by Step Solution

1. Step 1: Write the proportion equation
   140,116 : 307,484 = 307,484 : x
2. Step 2: Convert to fraction form
   140,116/307,484 = 307,484/x
3. Step 3: Cross multiply
   140,116x = 307,484 × 307,484
4. Step 4: Simplify right side
   140,116x = 94,546,410,256
5. Step 5: Solve for x
   x = 94,546,410,256/140,116
6. Step 6: Final answer
   x = 674,772.40