Finding the Third Proportional to 401,146.50 and 881,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,146.50 : 881,029.50 = 881,029.50 : x
2. Step 2: Convert to fraction form
   401,146.50/881,029.50 = 881,029.50/x
3. Step 3: Cross multiply
   401,146.50x = 881,029.50 × 881,029.50
4. Step 4: Simplify right side
   401,146.50x = 776,212,979,870.25
5. Step 5: Solve for x
   x = 776,212,979,870.25/401,146.50
6. Step 6: Final answer
   x = 1,934,986.30