Finding the Third Proportional to 1,142,919 and 1,556,709

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,919 : 1,556,709 = 1,556,709 : x
2. Step 2: Convert to fraction form
   1,142,919/1,556,709 = 1,556,709/x
3. Step 3: Cross multiply
   1,142,919x = 1,556,709 × 1,556,709
4. Step 4: Simplify right side
   1,142,919x = 2,423,342,910,681
5. Step 5: Solve for x
   x = 2,423,342,910,681/1,142,919
6. Step 6: Final answer
   x = 2,120,310.29