Finding the Third Proportional to 428,364 and 952,470

Step by Step Solution

1. Step 1: Write the proportion equation
   428,364 : 952,470 = 952,470 : x
2. Step 2: Convert to fraction form
   428,364/952,470 = 952,470/x
3. Step 3: Cross multiply
   428,364x = 952,470 × 952,470
4. Step 4: Simplify right side
   428,364x = 907,199,100,900
5. Step 5: Solve for x
   x = 907,199,100,900/428,364
6. Step 6: Final answer
   x = 2,117,822.93