Finding the Third Proportional to 445,766.38 and 869,196.88

Step by Step Solution

1. Step 1: Write the proportion equation
   445,766.38 : 869,196.88 = 869,196.88 : x
2. Step 2: Convert to fraction form
   445,766.38/869,196.88 = 869,196.88/x
3. Step 3: Cross multiply
   445,766.38x = 869,196.88 × 869,196.88
4. Step 4: Simplify right side
   445,766.38x = 755,503,207,509.77
5. Step 5: Solve for x
   x = 755,503,207,509.77/445,766.38
6. Step 6: Final answer
   x = 1,694,841.18