Finding the Third Proportional to 140,066 and 307,340

Step by Step Solution

1. Step 1: Write the proportion equation
   140,066 : 307,340 = 307,340 : x
2. Step 2: Convert to fraction form
   140,066/307,340 = 307,340/x
3. Step 3: Cross multiply
   140,066x = 307,340 × 307,340
4. Step 4: Simplify right side
   140,066x = 94,457,875,600
5. Step 5: Solve for x
   x = 94,457,875,600/140,066
6. Step 6: Final answer
   x = 674,381.19