Finding the Third Proportional to 5,418,464 and 7,430,180

Step by Step Solution

1. Step 1: Write the proportion equation
   5,418,464 : 7,430,180 = 7,430,180 : x
2. Step 2: Convert to fraction form
   5,418,464/7,430,180 = 7,430,180/x
3. Step 3: Cross multiply
   5,418,464x = 7,430,180 × 7,430,180
4. Step 4: Simplify right side
   5,418,464x = 55,207,574,832,400
5. Step 5: Solve for x
   x = 55,207,574,832,400/5,418,464
6. Step 6: Final answer
   x = 10,188,786.87