Finding the Third Proportional to 428,624 and 933,440

Step by Step Solution

1. Step 1: Write the proportion equation
   428,624 : 933,440 = 933,440 : x
2. Step 2: Convert to fraction form
   428,624/933,440 = 933,440/x
3. Step 3: Cross multiply
   428,624x = 933,440 × 933,440
4. Step 4: Simplify right side
   428,624x = 871,310,233,600
5. Step 5: Solve for x
   x = 871,310,233,600/428,624
6. Step 6: Final answer
   x = 2,032,807.85