Finding the Third Proportional to 1,027,142 and 2,290,318

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,142 : 2,290,318 = 2,290,318 : x
2. Step 2: Convert to fraction form
   1,027,142/2,290,318 = 2,290,318/x
3. Step 3: Cross multiply
   1,027,142x = 2,290,318 × 2,290,318
4. Step 4: Simplify right side
   1,027,142x = 5,245,556,541,124
5. Step 5: Solve for x
   x = 5,245,556,541,124/1,027,142
6. Step 6: Final answer
   x = 5,106,943.87