Finding the Third Proportional to 429,166 and 923,780

Step by Step Solution

1. Step 1: Write the proportion equation
   429,166 : 923,780 = 923,780 : x
2. Step 2: Convert to fraction form
   429,166/923,780 = 923,780/x
3. Step 3: Cross multiply
   429,166x = 923,780 × 923,780
4. Step 4: Simplify right side
   429,166x = 853,369,488,400
5. Step 5: Solve for x
   x = 853,369,488,400/429,166
6. Step 6: Final answer
   x = 1,988,436.85