Finding the Third Proportional to 5,418,622 and 7,430,412

Step by Step Solution

1. Step 1: Write the proportion equation
   5,418,622 : 7,430,412 = 7,430,412 : x
2. Step 2: Convert to fraction form
   5,418,622/7,430,412 = 7,430,412/x
3. Step 3: Cross multiply
   5,418,622x = 7,430,412 × 7,430,412
4. Step 4: Simplify right side
   5,418,622x = 55,211,022,489,744
5. Step 5: Solve for x
   x = 55,211,022,489,744/5,418,622
6. Step 6: Final answer
   x = 10,189,126.03