Finding the Third Proportional to 520,920 and 1,069,488

Step by Step Solution

1. Step 1: Write the proportion equation
   520,920 : 1,069,488 = 1,069,488 : x
2. Step 2: Convert to fraction form
   520,920/1,069,488 = 1,069,488/x
3. Step 3: Cross multiply
   520,920x = 1,069,488 × 1,069,488
4. Step 4: Simplify right side
   520,920x = 1,143,804,582,144
5. Step 5: Solve for x
   x = 1,143,804,582,144/520,920
6. Step 6: Final answer
   x = 2,195,739.43