Finding the Third Proportional to 1,331,938 and 2,118,483

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,938 : 2,118,483 = 2,118,483 : x
2. Step 2: Convert to fraction form
   1,331,938/2,118,483 = 2,118,483/x
3. Step 3: Cross multiply
   1,331,938x = 2,118,483 × 2,118,483
4. Step 4: Simplify right side
   1,331,938x = 4,487,970,221,289
5. Step 5: Solve for x
   x = 4,487,970,221,289/1,331,938
6. Step 6: Final answer
   x = 3,369,503.85