Finding the Third Proportional to 2,002,890 and 4,453,572

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002,890 : 4,453,572 = 4,453,572 : x
2. Step 2: Convert to fraction form
   2,002,890/4,453,572 = 4,453,572/x
3. Step 3: Cross multiply
   2,002,890x = 4,453,572 × 4,453,572
4. Step 4: Simplify right side
   2,002,890x = 19,834,303,559,184
5. Step 5: Solve for x
   x = 19,834,303,559,184/2,002,890
6. Step 6: Final answer
   x = 9,902,842.17