Finding the Third Proportional to 428,730 and 931,244

Step by Step Solution

1. Step 1: Write the proportion equation
   428,730 : 931,244 = 931,244 : x
2. Step 2: Convert to fraction form
   428,730/931,244 = 931,244/x
3. Step 3: Cross multiply
   428,730x = 931,244 × 931,244
4. Step 4: Simplify right side
   428,730x = 867,215,387,536
5. Step 5: Solve for x
   x = 867,215,387,536/428,730
6. Step 6: Final answer
   x = 2,022,754.15