Finding the Third Proportional to 6,315,572 and 13,890,856

Step by Step Solution

1. Step 1: Write the proportion equation
   6,315,572 : 13,890,856 = 13,890,856 : x
2. Step 2: Convert to fraction form
   6,315,572/13,890,856 = 13,890,856/x
3. Step 3: Cross multiply
   6,315,572x = 13,890,856 × 13,890,856
4. Step 4: Simplify right side
   6,315,572x = 192,955,880,412,736
5. Step 5: Solve for x
   x = 192,955,880,412,736/6,315,572
6. Step 6: Final answer
   x = 30,552,399.75