Finding the Third Proportional to 1,131,921 and 1,609,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,921 : 1,609,321.50 = 1,609,321.50 : x
2. Step 2: Convert to fraction form
   1,131,921/1,609,321.50 = 1,609,321.50/x
3. Step 3: Cross multiply
   1,131,921x = 1,609,321.50 × 1,609,321.50
4. Step 4: Simplify right side
   1,131,921x = 2,589,915,690,362.25
5. Step 5: Solve for x
   x = 2,589,915,690,362.25/1,131,921
6. Step 6: Final answer
   x = 2,288,071.07