Finding the Third Proportional to 426,990 and 924,105

Step by Step Solution

1. Step 1: Write the proportion equation
   426,990 : 924,105 = 924,105 : x
2. Step 2: Convert to fraction form
   426,990/924,105 = 924,105/x
3. Step 3: Cross multiply
   426,990x = 924,105 × 924,105
4. Step 4: Simplify right side
   426,990x = 853,970,051,025
5. Step 5: Solve for x
   x = 853,970,051,025/426,990
6. Step 6: Final answer
   x = 1,999,976.70