Finding the Third Proportional to 1,863,085.50 and 3,991,770

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,085.50 : 3,991,770 = 3,991,770 : x
2. Step 2: Convert to fraction form
   1,863,085.50/3,991,770 = 3,991,770/x
3. Step 3: Cross multiply
   1,863,085.50x = 3,991,770 × 3,991,770
4. Step 4: Simplify right side
   1,863,085.50x = 15,934,227,732,900
5. Step 5: Solve for x
   x = 15,934,227,732,900/1,863,085.50
6. Step 6: Final answer
   x = 8,552,601.44