Finding the Third Proportional to 5,148,405 and 7,789,038

Step by Step Solution

1. Step 1: Write the proportion equation
   5,148,405 : 7,789,038 = 7,789,038 : x
2. Step 2: Convert to fraction form
   5,148,405/7,789,038 = 7,789,038/x
3. Step 3: Cross multiply
   5,148,405x = 7,789,038 × 7,789,038
4. Step 4: Simplify right side
   5,148,405x = 60,669,112,965,444
5. Step 5: Solve for x
   x = 60,669,112,965,444/5,148,405
6. Step 6: Final answer
   x = 11,784,059.91