Finding the Third Proportional to 1,800,262 and 4,249,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800,262 : 4,249,690 = 4,249,690 : x
2. Step 2: Convert to fraction form
   1,800,262/4,249,690 = 4,249,690/x
3. Step 3: Cross multiply
   1,800,262x = 4,249,690 × 4,249,690
4. Step 4: Simplify right side
   1,800,262x = 18,059,865,096,100
5. Step 5: Solve for x
   x = 18,059,865,096,100/1,800,262
6. Step 6: Final answer
   x = 10,031,798.20