Finding the Third Proportional to 3,620,790 and 7,539,210

Step by Step Solution

1. Step 1: Write the proportion equation
   3,620,790 : 7,539,210 = 7,539,210 : x
2. Step 2: Convert to fraction form
   3,620,790/7,539,210 = 7,539,210/x
3. Step 3: Cross multiply
   3,620,790x = 7,539,210 × 7,539,210
4. Step 4: Simplify right side
   3,620,790x = 56,839,687,424,100
5. Step 5: Solve for x
   x = 56,839,687,424,100/3,620,790
6. Step 6: Final answer
   x = 15,698,145.27