Finding the Third Proportional to 6,780,554 and 10,233,889

Step by Step Solution

1. Step 1: Write the proportion equation
   6,780,554 : 10,233,889 = 10,233,889 : x
2. Step 2: Convert to fraction form
   6,780,554/10,233,889 = 10,233,889/x
3. Step 3: Cross multiply
   6,780,554x = 10,233,889 × 10,233,889
4. Step 4: Simplify right side
   6,780,554x = 104,732,484,064,321
5. Step 5: Solve for x
   x = 104,732,484,064,321/6,780,554
6. Step 6: Final answer
   x = 15,446,006.93