Finding the Third Proportional to 918,338 and 2,144,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   918,338 : 2,144,474.50 = 2,144,474.50 : x
2. Step 2: Convert to fraction form
   918,338/2,144,474.50 = 2,144,474.50/x
3. Step 3: Cross multiply
   918,338x = 2,144,474.50 × 2,144,474.50
4. Step 4: Simplify right side
   918,338x = 4,598,770,881,150.25
5. Step 5: Solve for x
   x = 4,598,770,881,150.25/918,338
6. Step 6: Final answer
   x = 5,007,710.54