Finding the Third Proportional to 428,631.75 and 941,868

Step by Step Solution

1. Step 1: Write the proportion equation
   428,631.75 : 941,868 = 941,868 : x
2. Step 2: Convert to fraction form
   428,631.75/941,868 = 941,868/x
3. Step 3: Cross multiply
   428,631.75x = 941,868 × 941,868
4. Step 4: Simplify right side
   428,631.75x = 887,115,329,424
5. Step 5: Solve for x
   x = 887,115,329,424/428,631.75
6. Step 6: Final answer
   x = 2,069,644.47