Finding the Third Proportional to 454,002.75 and 636,271.88

Step by Step Solution

1. Step 1: Write the proportion equation
   454,002.75 : 636,271.88 = 636,271.88 : x
2. Step 2: Convert to fraction form
   454,002.75/636,271.88 = 636,271.88/x
3. Step 3: Cross multiply
   454,002.75x = 636,271.88 × 636,271.88
4. Step 4: Simplify right side
   454,002.75x = 404,841,898,916.02
5. Step 5: Solve for x
   x = 404,841,898,916.02/454,002.75
6. Step 6: Final answer
   x = 891,716.84