Finding the Third Proportional to 771,018 and 1,670,748

Step by Step Solution

1. Step 1: Write the proportion equation
   771,018 : 1,670,748 = 1,670,748 : x
2. Step 2: Convert to fraction form
   771,018/1,670,748 = 1,670,748/x
3. Step 3: Cross multiply
   771,018x = 1,670,748 × 1,670,748
4. Step 4: Simplify right side
   771,018x = 2,791,398,879,504
5. Step 5: Solve for x
   x = 2,791,398,879,504/771,018
6. Step 6: Final answer
   x = 3,620,406.89