Finding the Third Proportional to 1,069,478 and 1,556,061

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,478 : 1,556,061 = 1,556,061 : x
2. Step 2: Convert to fraction form
   1,069,478/1,556,061 = 1,556,061/x
3. Step 3: Cross multiply
   1,069,478x = 1,556,061 × 1,556,061
4. Step 4: Simplify right side
   1,069,478x = 2,421,325,835,721
5. Step 5: Solve for x
   x = 2,421,325,835,721/1,069,478
6. Step 6: Final answer
   x = 2,264,025.85