Finding the Third Proportional to 2,027,990 and 4,406,308

Step by Step Solution

1. Step 1: Write the proportion equation
   2,027,990 : 4,406,308 = 4,406,308 : x
2. Step 2: Convert to fraction form
   2,027,990/4,406,308 = 4,406,308/x
3. Step 3: Cross multiply
   2,027,990x = 4,406,308 × 4,406,308
4. Step 4: Simplify right side
   2,027,990x = 19,415,550,190,864
5. Step 5: Solve for x
   x = 19,415,550,190,864/2,027,990
6. Step 6: Final answer
   x = 9,573,789.91