Finding the Third Proportional to 1,689,760 and 2,618,130

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,760 : 2,618,130 = 2,618,130 : x
2. Step 2: Convert to fraction form
   1,689,760/2,618,130 = 2,618,130/x
3. Step 3: Cross multiply
   1,689,760x = 2,618,130 × 2,618,130
4. Step 4: Simplify right side
   1,689,760x = 6,854,604,696,900
5. Step 5: Solve for x
   x = 6,854,604,696,900/1,689,760
6. Step 6: Final answer
   x = 4,056,555.19