Finding the Third Proportional to 428,354 and 904,932

Step by Step Solution

1. Step 1: Write the proportion equation
   428,354 : 904,932 = 904,932 : x
2. Step 2: Convert to fraction form
   428,354/904,932 = 904,932/x
3. Step 3: Cross multiply
   428,354x = 904,932 × 904,932
4. Step 4: Simplify right side
   428,354x = 818,901,924,624
5. Step 5: Solve for x
   x = 818,901,924,624/428,354
6. Step 6: Final answer
   x = 1,911,741.05