Finding the Third Proportional to 1,202,420 and 1,800,316

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,420 : 1,800,316 = 1,800,316 : x
2. Step 2: Convert to fraction form
   1,202,420/1,800,316 = 1,800,316/x
3. Step 3: Cross multiply
   1,202,420x = 1,800,316 × 1,800,316
4. Step 4: Simplify right side
   1,202,420x = 3,241,137,699,856
5. Step 5: Solve for x
   x = 3,241,137,699,856/1,202,420
6. Step 6: Final answer
   x = 2,695,512.13