Finding the Third Proportional to 426,062.50 and 918,554

Step by Step Solution

1. Step 1: Write the proportion equation
   426,062.50 : 918,554 = 918,554 : x
2. Step 2: Convert to fraction form
   426,062.50/918,554 = 918,554/x
3. Step 3: Cross multiply
   426,062.50x = 918,554 × 918,554
4. Step 4: Simplify right side
   426,062.50x = 843,741,450,916
5. Step 5: Solve for x
   x = 843,741,450,916/426,062.50
6. Step 6: Final answer
   x = 1,980,323.19