Finding the Third Proportional to 1,689,498 and 3,676,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,498 : 3,676,440 = 3,676,440 : x
2. Step 2: Convert to fraction form
   1,689,498/3,676,440 = 3,676,440/x
3. Step 3: Cross multiply
   1,689,498x = 3,676,440 × 3,676,440
4. Step 4: Simplify right side
   1,689,498x = 13,516,211,073,600
5. Step 5: Solve for x
   x = 13,516,211,073,600/1,689,498
6. Step 6: Final answer
   x = 8,000,134.40