Finding the Third Proportional to 2,729,870 and 4,281,969

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729,870 : 4,281,969 = 4,281,969 : x
2. Step 2: Convert to fraction form
   2,729,870/4,281,969 = 4,281,969/x
3. Step 3: Cross multiply
   2,729,870x = 4,281,969 × 4,281,969
4. Step 4: Simplify right side
   2,729,870x = 18,335,258,516,961
5. Step 5: Solve for x
   x = 18,335,258,516,961/2,729,870
6. Step 6: Final answer
   x = 6,716,531.75