Finding the Third Proportional to 1,689,488 and 3,676,402

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,488 : 3,676,402 = 3,676,402 : x
2. Step 2: Convert to fraction form
   1,689,488/3,676,402 = 3,676,402/x
3. Step 3: Cross multiply
   1,689,488x = 3,676,402 × 3,676,402
4. Step 4: Simplify right side
   1,689,488x = 13,515,931,665,604
5. Step 5: Solve for x
   x = 13,515,931,665,604/1,689,488
6. Step 6: Final answer
   x = 8,000,016.38