Finding the Third Proportional to 1,968,200 and 4,238,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968,200 : 4,238,260 = 4,238,260 : x
2. Step 2: Convert to fraction form
   1,968,200/4,238,260 = 4,238,260/x
3. Step 3: Cross multiply
   1,968,200x = 4,238,260 × 4,238,260
4. Step 4: Simplify right side
   1,968,200x = 17,962,847,827,600
5. Step 5: Solve for x
   x = 17,962,847,827,600/1,968,200
6. Step 6: Final answer
   x = 9,126,535.83