Finding the Third Proportional to 1,990,155 and 4,352,937

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,155 : 4,352,937 = 4,352,937 : x
2. Step 2: Convert to fraction form
   1,990,155/4,352,937 = 4,352,937/x
3. Step 3: Cross multiply
   1,990,155x = 4,352,937 × 4,352,937
4. Step 4: Simplify right side
   1,990,155x = 18,948,060,525,969
5. Step 5: Solve for x
   x = 18,948,060,525,969/1,990,155
6. Step 6: Final answer
   x = 9,520,896.88