Finding the Third Proportional to 906,576 and 1,973,290

Step by Step Solution

1. Step 1: Write the proportion equation
   906,576 : 1,973,290 = 1,973,290 : x
2. Step 2: Convert to fraction form
   906,576/1,973,290 = 1,973,290/x
3. Step 3: Cross multiply
   906,576x = 1,973,290 × 1,973,290
4. Step 4: Simplify right side
   906,576x = 3,893,873,424,100
5. Step 5: Solve for x
   x = 3,893,873,424,100/906,576
6. Step 6: Final answer
   x = 4,295,142.85