Finding the Third Proportional to 556,090 and 1,214,116

Step by Step Solution

1. Step 1: Write the proportion equation
   556,090 : 1,214,116 = 1,214,116 : x
2. Step 2: Convert to fraction form
   556,090/1,214,116 = 1,214,116/x
3. Step 3: Cross multiply
   556,090x = 1,214,116 × 1,214,116
4. Step 4: Simplify right side
   556,090x = 1,474,077,661,456
5. Step 5: Solve for x
   x = 1,474,077,661,456/556,090
6. Step 6: Final answer
   x = 2,650,789.73