Finding the Third Proportional to 1,800,257 and 4,249,677

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800,257 : 4,249,677 = 4,249,677 : x
2. Step 2: Convert to fraction form
   1,800,257/4,249,677 = 4,249,677/x
3. Step 3: Cross multiply
   1,800,257x = 4,249,677 × 4,249,677
4. Step 4: Simplify right side
   1,800,257x = 18,059,754,604,329
5. Step 5: Solve for x
   x = 18,059,754,604,329/1,800,257
6. Step 6: Final answer
   x = 10,031,764.69