Finding the Third Proportional to 1,290,948 and 2,729,646

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,948 : 2,729,646 = 2,729,646 : x
2. Step 2: Convert to fraction form
   1,290,948/2,729,646 = 2,729,646/x
3. Step 3: Cross multiply
   1,290,948x = 2,729,646 × 2,729,646
4. Step 4: Simplify right side
   1,290,948x = 7,450,967,285,316
5. Step 5: Solve for x
   x = 7,450,967,285,316/1,290,948
6. Step 6: Final answer
   x = 5,771,702.10