Finding the Third Proportional to 4,539,288 and 7,038,180

Step by Step Solution

1. Step 1: Write the proportion equation
   4,539,288 : 7,038,180 = 7,038,180 : x
2. Step 2: Convert to fraction form
   4,539,288/7,038,180 = 7,038,180/x
3. Step 3: Cross multiply
   4,539,288x = 7,038,180 × 7,038,180
4. Step 4: Simplify right side
   4,539,288x = 49,535,977,712,400
5. Step 5: Solve for x
   x = 49,535,977,712,400/4,539,288
6. Step 6: Final answer
   x = 10,912,719.73