Finding the Third Proportional to 451,086 and 1,068,639

Step by Step Solution

1. Step 1: Write the proportion equation
   451,086 : 1,068,639 = 1,068,639 : x
2. Step 2: Convert to fraction form
   451,086/1,068,639 = 1,068,639/x
3. Step 3: Cross multiply
   451,086x = 1,068,639 × 1,068,639
4. Step 4: Simplify right side
   451,086x = 1,141,989,312,321
5. Step 5: Solve for x
   x = 1,141,989,312,321/451,086
6. Step 6: Final answer
   x = 2,531,644.33