Finding the Third Proportional to 1,086,219 and 1,519,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,219 : 1,519,321.50 = 1,519,321.50 : x
2. Step 2: Convert to fraction form
   1,086,219/1,519,321.50 = 1,519,321.50/x
3. Step 3: Cross multiply
   1,086,219x = 1,519,321.50 × 1,519,321.50
4. Step 4: Simplify right side
   1,086,219x = 2,308,337,820,362.25
5. Step 5: Solve for x
   x = 2,308,337,820,362.25/1,086,219
6. Step 6: Final answer
   x = 2,125,112.73