Finding the Third Proportional to 663,718.50 and 1,447,992

Step by Step Solution

1. Step 1: Write the proportion equation
   663,718.50 : 1,447,992 = 1,447,992 : x
2. Step 2: Convert to fraction form
   663,718.50/1,447,992 = 1,447,992/x
3. Step 3: Cross multiply
   663,718.50x = 1,447,992 × 1,447,992
4. Step 4: Simplify right side
   663,718.50x = 2,096,680,832,064
5. Step 5: Solve for x
   x = 2,096,680,832,064/663,718.50
6. Step 6: Final answer
   x = 3,158,991.10