Finding the Third Proportional to 680,832 and 1,021,680

Step by Step Solution

1. Step 1: Write the proportion equation
   680,832 : 1,021,680 = 1,021,680 : x
2. Step 2: Convert to fraction form
   680,832/1,021,680 = 1,021,680/x
3. Step 3: Cross multiply
   680,832x = 1,021,680 × 1,021,680
4. Step 4: Simplify right side
   680,832x = 1,043,830,022,400
5. Step 5: Solve for x
   x = 1,043,830,022,400/680,832
6. Step 6: Final answer
   x = 1,533,168.27