Finding the Third Proportional to 428.31 and 930.02

Step by Step Solution

1. Step 1: Write the proportion equation
   428.31 : 930.02 = 930.02 : x
2. Step 2: Convert to fraction form
   428.31/930.02 = 930.02/x
3. Step 3: Cross multiply
   428.31x = 930.02 × 930.02
4. Step 4: Simplify right side
   428.31x = 864,943.59
5. Step 5: Solve for x
   x = 864,943.59/428.31
6. Step 6: Final answer
   x = 2,019.44