Finding the Third Proportional to 570,643 and 1,349,508

Step by Step Solution

1. Step 1: Write the proportion equation
   570,643 : 1,349,508 = 1,349,508 : x
2. Step 2: Convert to fraction form
   570,643/1,349,508 = 1,349,508/x
3. Step 3: Cross multiply
   570,643x = 1,349,508 × 1,349,508
4. Step 4: Simplify right side
   570,643x = 1,821,171,842,064
5. Step 5: Solve for x
   x = 1,821,171,842,064/570,643
6. Step 6: Final answer
   x = 3,191,438.15