Finding the Third Proportional to 1,142,926 and 1,556,718

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,926 : 1,556,718 = 1,556,718 : x
2. Step 2: Convert to fraction form
   1,142,926/1,556,718 = 1,556,718/x
3. Step 3: Cross multiply
   1,142,926x = 1,556,718 × 1,556,718
4. Step 4: Simplify right side
   1,142,926x = 2,423,370,931,524
5. Step 5: Solve for x
   x = 2,423,370,931,524/1,142,926
6. Step 6: Final answer
   x = 2,120,321.82