Finding the Third Proportional to 428,674 and 931,148

Step by Step Solution

1. Step 1: Write the proportion equation
   428,674 : 931,148 = 931,148 : x
2. Step 2: Convert to fraction form
   428,674/931,148 = 931,148/x
3. Step 3: Cross multiply
   428,674x = 931,148 × 931,148
4. Step 4: Simplify right side
   428,674x = 867,036,597,904
5. Step 5: Solve for x
   x = 867,036,597,904/428,674
6. Step 6: Final answer
   x = 2,022,601.32