Finding the Third Proportional to 1,220,236 and 1,855,232

Step by Step Solution

1. Step 1: Write the proportion equation
   1,220,236 : 1,855,232 = 1,855,232 : x
2. Step 2: Convert to fraction form
   1,220,236/1,855,232 = 1,855,232/x
3. Step 3: Cross multiply
   1,220,236x = 1,855,232 × 1,855,232
4. Step 4: Simplify right side
   1,220,236x = 3,441,885,773,824
5. Step 5: Solve for x
   x = 3,441,885,773,824/1,220,236
6. Step 6: Final answer
   x = 2,820,672.21