Finding the Third Proportional to 774,220 and 1,667,090

Step by Step Solution

1. Step 1: Write the proportion equation
   774,220 : 1,667,090 = 1,667,090 : x
2. Step 2: Convert to fraction form
   774,220/1,667,090 = 1,667,090/x
3. Step 3: Cross multiply
   774,220x = 1,667,090 × 1,667,090
4. Step 4: Simplify right side
   774,220x = 2,779,189,068,100
5. Step 5: Solve for x
   x = 2,779,189,068,100/774,220
6. Step 6: Final answer
   x = 3,589,663.23