Finding the Third Proportional to 5,326,612 and 8,238,510

Step by Step Solution

1. Step 1: Write the proportion equation
   5,326,612 : 8,238,510 = 8,238,510 : x
2. Step 2: Convert to fraction form
   5,326,612/8,238,510 = 8,238,510/x
3. Step 3: Cross multiply
   5,326,612x = 8,238,510 × 8,238,510
4. Step 4: Simplify right side
   5,326,612x = 67,873,047,020,100
5. Step 5: Solve for x
   x = 67,873,047,020,100/5,326,612
6. Step 6: Final answer
   x = 12,742,254.74