Finding the Third Proportional to 212,688 and 467,306

Step by Step Solution

1. Step 1: Write the proportion equation
   212,688 : 467,306 = 467,306 : x
2. Step 2: Convert to fraction form
   212,688/467,306 = 467,306/x
3. Step 3: Cross multiply
   212,688x = 467,306 × 467,306
4. Step 4: Simplify right side
   212,688x = 218,374,897,636
5. Step 5: Solve for x
   x = 218,374,897,636/212,688
6. Step 6: Final answer
   x = 1,026,738.22