Finding the Third Proportional to 877,189.50 and 1,395,630

Step by Step Solution

1. Step 1: Write the proportion equation
   877,189.50 : 1,395,630 = 1,395,630 : x
2. Step 2: Convert to fraction form
   877,189.50/1,395,630 = 1,395,630/x
3. Step 3: Cross multiply
   877,189.50x = 1,395,630 × 1,395,630
4. Step 4: Simplify right side
   877,189.50x = 1,947,783,096,900
5. Step 5: Solve for x
   x = 1,947,783,096,900/877,189.50
6. Step 6: Final answer
   x = 2,220,481.55