Finding the Third Proportional to 663,721.50 and 1,447,998

Step by Step Solution

1. Step 1: Write the proportion equation
   663,721.50 : 1,447,998 = 1,447,998 : x
2. Step 2: Convert to fraction form
   663,721.50/1,447,998 = 1,447,998/x
3. Step 3: Cross multiply
   663,721.50x = 1,447,998 × 1,447,998
4. Step 4: Simplify right side
   663,721.50x = 2,096,698,208,004
5. Step 5: Solve for x
   x = 2,096,698,208,004/663,721.50
6. Step 6: Final answer
   x = 3,159,003.00