Finding the Third Proportional to 1,438,548 and 2,147,973

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,548 : 2,147,973 = 2,147,973 : x
2. Step 2: Convert to fraction form
   1,438,548/2,147,973 = 2,147,973/x
3. Step 3: Cross multiply
   1,438,548x = 2,147,973 × 2,147,973
4. Step 4: Simplify right side
   1,438,548x = 4,613,788,008,729
5. Step 5: Solve for x
   x = 4,613,788,008,729/1,438,548
6. Step 6: Final answer
   x = 3,207,253.43