Finding the Third Proportional to 656,237 and 938,406

Step by Step Solution

1. Step 1: Write the proportion equation
   656,237 : 938,406 = 938,406 : x
2. Step 2: Convert to fraction form
   656,237/938,406 = 938,406/x
3. Step 3: Cross multiply
   656,237x = 938,406 × 938,406
4. Step 4: Simplify right side
   656,237x = 880,605,820,836
5. Step 5: Solve for x
   x = 880,605,820,836/656,237
6. Step 6: Final answer
   x = 1,341,902.12