Finding the Third Proportional to 667,685 and 1,035,426

Step by Step Solution

1. Step 1: Write the proportion equation
   667,685 : 1,035,426 = 1,035,426 : x
2. Step 2: Convert to fraction form
   667,685/1,035,426 = 1,035,426/x
3. Step 3: Cross multiply
   667,685x = 1,035,426 × 1,035,426
4. Step 4: Simplify right side
   667,685x = 1,072,107,001,476
5. Step 5: Solve for x
   x = 1,072,107,001,476/667,685
6. Step 6: Final answer
   x = 1,605,707.78