Finding the Third Proportional to 1,347,408 and 2,070,576

Step by Step Solution

1. Step 1: Write the proportion equation
   1,347,408 : 2,070,576 = 2,070,576 : x
2. Step 2: Convert to fraction form
   1,347,408/2,070,576 = 2,070,576/x
3. Step 3: Cross multiply
   1,347,408x = 2,070,576 × 2,070,576
4. Step 4: Simplify right side
   1,347,408x = 4,287,284,971,776
5. Step 5: Solve for x
   x = 4,287,284,971,776/1,347,408
6. Step 6: Final answer
   x = 3,181,875.85