Finding the Third Proportional to 899,782 and 1,379,738

Step by Step Solution

1. Step 1: Write the proportion equation
   899,782 : 1,379,738 = 1,379,738 : x
2. Step 2: Convert to fraction form
   899,782/1,379,738 = 1,379,738/x
3. Step 3: Cross multiply
   899,782x = 1,379,738 × 1,379,738
4. Step 4: Simplify right side
   899,782x = 1,903,676,948,644
5. Step 5: Solve for x
   x = 1,903,676,948,644/899,782
6. Step 6: Final answer
   x = 2,115,709.08