Finding the Third Proportional to 918,328.50 and 2,144,454

Step by Step Solution

1. Step 1: Write the proportion equation
   918,328.50 : 2,144,454 = 2,144,454 : x
2. Step 2: Convert to fraction form
   918,328.50/2,144,454 = 2,144,454/x
3. Step 3: Cross multiply
   918,328.50x = 2,144,454 × 2,144,454
4. Step 4: Simplify right side
   918,328.50x = 4,598,682,958,116
5. Step 5: Solve for x
   x = 4,598,682,958,116/918,328.50
6. Step 6: Final answer
   x = 5,007,666.60