Finding the Third Proportional to 2,199,962 and 3,500,607

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199,962 : 3,500,607 = 3,500,607 : x
2. Step 2: Convert to fraction form
   2,199,962/3,500,607 = 3,500,607/x
3. Step 3: Cross multiply
   2,199,962x = 3,500,607 × 3,500,607
4. Step 4: Simplify right side
   2,199,962x = 12,254,249,368,449
5. Step 5: Solve for x
   x = 12,254,249,368,449/2,199,962
6. Step 6: Final answer
   x = 5,570,209.56