Finding the Third Proportional to 485,984 and 1,051,840

Step by Step Solution

1. Step 1: Write the proportion equation
   485,984 : 1,051,840 = 1,051,840 : x
2. Step 2: Convert to fraction form
   485,984/1,051,840 = 1,051,840/x
3. Step 3: Cross multiply
   485,984x = 1,051,840 × 1,051,840
4. Step 4: Simplify right side
   485,984x = 1,106,367,385,600
5. Step 5: Solve for x
   x = 1,106,367,385,600/485,984
6. Step 6: Final answer
   x = 2,276,551.05