Finding the Third Proportional to 908,581.50 and 1,320,570

Step by Step Solution

1. Step 1: Write the proportion equation
   908,581.50 : 1,320,570 = 1,320,570 : x
2. Step 2: Convert to fraction form
   908,581.50/1,320,570 = 1,320,570/x
3. Step 3: Cross multiply
   908,581.50x = 1,320,570 × 1,320,570
4. Step 4: Simplify right side
   908,581.50x = 1,743,905,124,900
5. Step 5: Solve for x
   x = 1,743,905,124,900/908,581.50
6. Step 6: Final answer
   x = 1,919,371.16