Finding the Third Proportional to 1,211,772 and 1,876,242

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,772 : 1,876,242 = 1,876,242 : x
2. Step 2: Convert to fraction form
   1,211,772/1,876,242 = 1,876,242/x
3. Step 3: Cross multiply
   1,211,772x = 1,876,242 × 1,876,242
4. Step 4: Simplify right side
   1,211,772x = 3,520,284,042,564
5. Step 5: Solve for x
   x = 3,520,284,042,564/1,211,772
6. Step 6: Final answer
   x = 2,905,071.29