Finding the Third Proportional to 401,129.50 and 880,979

Step by Step Solution

1. Step 1: Write the proportion equation
   401,129.50 : 880,979 = 880,979 : x
2. Step 2: Convert to fraction form
   401,129.50/880,979 = 880,979/x
3. Step 3: Cross multiply
   401,129.50x = 880,979 × 880,979
4. Step 4: Simplify right side
   401,129.50x = 776,123,998,441
5. Step 5: Solve for x
   x = 776,123,998,441/401,129.50
6. Step 6: Final answer
   x = 1,934,846.47