Finding the Third Proportional to 5,426,100 and 8,398,006

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426,100 : 8,398,006 = 8,398,006 : x
2. Step 2: Convert to fraction form
   5,426,100/8,398,006 = 8,398,006/x
3. Step 3: Cross multiply
   5,426,100x = 8,398,006 × 8,398,006
4. Step 4: Simplify right side
   5,426,100x = 70,526,504,776,036
5. Step 5: Solve for x
   x = 70,526,504,776,036/5,426,100
6. Step 6: Final answer
   x = 12,997,641.91