Finding the Third Proportional to 2,430,620 and 5,238,064

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430,620 : 5,238,064 = 5,238,064 : x
2. Step 2: Convert to fraction form
   2,430,620/5,238,064 = 5,238,064/x
3. Step 3: Cross multiply
   2,430,620x = 5,238,064 × 5,238,064
4. Step 4: Simplify right side
   2,430,620x = 27,437,314,468,096
5. Step 5: Solve for x
   x = 27,437,314,468,096/2,430,620
6. Step 6: Final answer
   x = 11,288,195.80