Finding the Third Proportional to 570,641 and 1,349,503

Step by Step Solution

1. Step 1: Write the proportion equation
   570,641 : 1,349,503 = 1,349,503 : x
2. Step 2: Convert to fraction form
   570,641/1,349,503 = 1,349,503/x
3. Step 3: Cross multiply
   570,641x = 1,349,503 × 1,349,503
4. Step 4: Simplify right side
   570,641x = 1,821,158,347,009
5. Step 5: Solve for x
   x = 1,821,158,347,009/570,641
6. Step 6: Final answer
   x = 3,191,425.69