Finding the Third Proportional to 663,941.25 and 1,003,817.25

Step by Step Solution

1. Step 1: Write the proportion equation
   663,941.25 : 1,003,817.25 = 1,003,817.25 : x
2. Step 2: Convert to fraction form
   663,941.25/1,003,817.25 = 1,003,817.25/x
3. Step 3: Cross multiply
   663,941.25x = 1,003,817.25 × 1,003,817.25
4. Step 4: Simplify right side
   663,941.25x = 1,007,649,071,397.56
5. Step 5: Solve for x
   x = 1,007,649,071,397.56/663,941.25
6. Step 6: Final answer
   x = 1,517,678.06