Finding the Third Proportional to 2,938,972 and 4,539,406

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938,972 : 4,539,406 = 4,539,406 : x
2. Step 2: Convert to fraction form
   2,938,972/4,539,406 = 4,539,406/x
3. Step 3: Cross multiply
   2,938,972x = 4,539,406 × 4,539,406
4. Step 4: Simplify right side
   2,938,972x = 20,606,206,832,836
5. Step 5: Solve for x
   x = 20,606,206,832,836/2,938,972
6. Step 6: Final answer
   x = 7,011,365.48