Finding the Third Proportional to 387,372.50 and 843,338

Step by Step Solution

1. Step 1: Write the proportion equation
   387,372.50 : 843,338 = 843,338 : x
2. Step 2: Convert to fraction form
   387,372.50/843,338 = 843,338/x
3. Step 3: Cross multiply
   387,372.50x = 843,338 × 843,338
4. Step 4: Simplify right side
   387,372.50x = 711,218,982,244
5. Step 5: Solve for x
   x = 711,218,982,244/387,372.50
6. Step 6: Final answer
   x = 1,836,007.93