Finding the Third Proportional to 401,143.50 and 881,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,143.50 : 881,008.50 = 881,008.50 : x
2. Step 2: Convert to fraction form
   401,143.50/881,008.50 = 881,008.50/x
3. Step 3: Cross multiply
   401,143.50x = 881,008.50 × 881,008.50
4. Step 4: Simplify right side
   401,143.50x = 776,175,977,072.25
5. Step 5: Solve for x
   x = 776,175,977,072.25/401,143.50
6. Step 6: Final answer
   x = 1,934,908.52