Finding the Third Proportional to 918,181 and 1,998,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   918,181 : 1,998,951.50 = 1,998,951.50 : x
2. Step 2: Convert to fraction form
   918,181/1,998,951.50 = 1,998,951.50/x
3. Step 3: Cross multiply
   918,181x = 1,998,951.50 × 1,998,951.50
4. Step 4: Simplify right side
   918,181x = 3,995,807,099,352.25
5. Step 5: Solve for x
   x = 3,995,807,099,352.25/918,181
6. Step 6: Final answer
   x = 4,351,873.00