Finding the Third Proportional to 1,071,780 and 1,658,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,780 : 1,658,808 = 1,658,808 : x
2. Step 2: Convert to fraction form
   1,071,780/1,658,808 = 1,658,808/x
3. Step 3: Cross multiply
   1,071,780x = 1,658,808 × 1,658,808
4. Step 4: Simplify right side
   1,071,780x = 2,751,643,980,864
5. Step 5: Solve for x
   x = 2,751,643,980,864/1,071,780
6. Step 6: Final answer
   x = 2,567,358.96