Finding the Third Proportional to 1,191,456 and 1,763,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,456 : 1,763,856 = 1,763,856 : x
2. Step 2: Convert to fraction form
   1,191,456/1,763,856 = 1,763,856/x
3. Step 3: Cross multiply
   1,191,456x = 1,763,856 × 1,763,856
4. Step 4: Simplify right side
   1,191,456x = 3,111,187,988,736
5. Step 5: Solve for x
   x = 3,111,187,988,736/1,191,456
6. Step 6: Final answer
   x = 2,611,248.75