Finding the Third Proportional to 428,609 and 933,412

Step by Step Solution

1. Step 1: Write the proportion equation
   428,609 : 933,412 = 933,412 : x
2. Step 2: Convert to fraction form
   428,609/933,412 = 933,412/x
3. Step 3: Cross multiply
   428,609x = 933,412 × 933,412
4. Step 4: Simplify right side
   428,609x = 871,257,961,744
5. Step 5: Solve for x
   x = 871,257,961,744/428,609
6. Step 6: Final answer
   x = 2,032,757.04