Finding the Third Proportional to 997,657.50 and 2,181,648

Step by Step Solution

1. Step 1: Write the proportion equation
   997,657.50 : 2,181,648 = 2,181,648 : x
2. Step 2: Convert to fraction form
   997,657.50/2,181,648 = 2,181,648/x
3. Step 3: Cross multiply
   997,657.50x = 2,181,648 × 2,181,648
4. Step 4: Simplify right side
   997,657.50x = 4,759,587,995,904
5. Step 5: Solve for x
   x = 4,759,587,995,904/997,657.50
6. Step 6: Final answer
   x = 4,770,763.51