Finding the Third Proportional to 891,200 and 1,855,840

Step by Step Solution

1. Step 1: Write the proportion equation
   891,200 : 1,855,840 = 1,855,840 : x
2. Step 2: Convert to fraction form
   891,200/1,855,840 = 1,855,840/x
3. Step 3: Cross multiply
   891,200x = 1,855,840 × 1,855,840
4. Step 4: Simplify right side
   891,200x = 3,444,142,105,600
5. Step 5: Solve for x
   x = 3,444,142,105,600/891,200
6. Step 6: Final answer
   x = 3,864,611.88