Finding the Third Proportional to 5,148,407 and 7,789,041

Step by Step Solution

1. Step 1: Write the proportion equation
   5,148,407 : 7,789,041 = 7,789,041 : x
2. Step 2: Convert to fraction form
   5,148,407/7,789,041 = 7,789,041/x
3. Step 3: Cross multiply
   5,148,407x = 7,789,041 × 7,789,041
4. Step 4: Simplify right side
   5,148,407x = 60,669,159,699,681
5. Step 5: Solve for x
   x = 60,669,159,699,681/5,148,407
6. Step 6: Final answer
   x = 11,784,064.41