Finding the Third Proportional to 521,635 and 1,099,312

Step by Step Solution

1. Step 1: Write the proportion equation
   521,635 : 1,099,312 = 1,099,312 : x
2. Step 2: Convert to fraction form
   521,635/1,099,312 = 1,099,312/x
3. Step 3: Cross multiply
   521,635x = 1,099,312 × 1,099,312
4. Step 4: Simplify right side
   521,635x = 1,208,486,873,344
5. Step 5: Solve for x
   x = 1,208,486,873,344/521,635
6. Step 6: Final answer
   x = 2,316,728.89