Finding the Third Proportional to 680,542 and 1,491,332

Step by Step Solution

1. Step 1: Write the proportion equation
   680,542 : 1,491,332 = 1,491,332 : x
2. Step 2: Convert to fraction form
   680,542/1,491,332 = 1,491,332/x
3. Step 3: Cross multiply
   680,542x = 1,491,332 × 1,491,332
4. Step 4: Simplify right side
   680,542x = 2,224,071,134,224
5. Step 5: Solve for x
   x = 2,224,071,134,224/680,542
6. Step 6: Final answer
   x = 3,268,087.99