Finding the Third Proportional to 426,048 and 918,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,048 : 918,520.50 = 918,520.50 : x
2. Step 2: Convert to fraction form
   426,048/918,520.50 = 918,520.50/x
3. Step 3: Cross multiply
   426,048x = 918,520.50 × 918,520.50
4. Step 4: Simplify right side
   426,048x = 843,679,908,920.25
5. Step 5: Solve for x
   x = 843,679,908,920.25/426,048
6. Step 6: Final answer
   x = 1,980,246.14