Finding the Third Proportional to 521,486 and 1,099,015

Step by Step Solution

1. Step 1: Write the proportion equation
   521,486 : 1,099,015 = 1,099,015 : x
2. Step 2: Convert to fraction form
   521,486/1,099,015 = 1,099,015/x
3. Step 3: Cross multiply
   521,486x = 1,099,015 × 1,099,015
4. Step 4: Simplify right side
   521,486x = 1,207,833,970,225
5. Step 5: Solve for x
   x = 1,207,833,970,225/521,486
6. Step 6: Final answer
   x = 2,316,138.82