Finding the Third Proportional to 1,244,370 and 1,978,635

Step by Step Solution

1. Step 1: Write the proportion equation
   1,244,370 : 1,978,635 = 1,978,635 : x
2. Step 2: Convert to fraction form
   1,244,370/1,978,635 = 1,978,635/x
3. Step 3: Cross multiply
   1,244,370x = 1,978,635 × 1,978,635
4. Step 4: Simplify right side
   1,244,370x = 3,914,996,463,225
5. Step 5: Solve for x
   x = 3,914,996,463,225/1,244,370
6. Step 6: Final answer
   x = 3,146,167.51