Finding the Third Proportional to 864,064 and 1,885,320

Step by Step Solution

1. Step 1: Write the proportion equation
   864,064 : 1,885,320 = 1,885,320 : x
2. Step 2: Convert to fraction form
   864,064/1,885,320 = 1,885,320/x
3. Step 3: Cross multiply
   864,064x = 1,885,320 × 1,885,320
4. Step 4: Simplify right side
   864,064x = 3,554,431,502,400
5. Step 5: Solve for x
   x = 3,554,431,502,400/864,064
6. Step 6: Final answer
   x = 4,113,620.64