Finding the Third Proportional to 5,405,542 and 7,280,895

Step by Step Solution

1. Step 1: Write the proportion equation
   5,405,542 : 7,280,895 = 7,280,895 : x
2. Step 2: Convert to fraction form
   5,405,542/7,280,895 = 7,280,895/x
3. Step 3: Cross multiply
   5,405,542x = 7,280,895 × 7,280,895
4. Step 4: Simplify right side
   5,405,542x = 53,011,432,001,025
5. Step 5: Solve for x
   x = 53,011,432,001,025/5,405,542
6. Step 6: Final answer
   x = 9,806,867.10