Finding the Third Proportional to 761,610 and 1,672,686

Step by Step Solution

1. Step 1: Write the proportion equation
   761,610 : 1,672,686 = 1,672,686 : x
2. Step 2: Convert to fraction form
   761,610/1,672,686 = 1,672,686/x
3. Step 3: Cross multiply
   761,610x = 1,672,686 × 1,672,686
4. Step 4: Simplify right side
   761,610x = 2,797,878,454,596
5. Step 5: Solve for x
   x = 2,797,878,454,596/761,610
6. Step 6: Final answer
   x = 3,673,636.71