Finding the Third Proportional to 388,060 and 832,820

Step by Step Solution

1. Step 1: Write the proportion equation
   388,060 : 832,820 = 832,820 : x
2. Step 2: Convert to fraction form
   388,060/832,820 = 832,820/x
3. Step 3: Cross multiply
   388,060x = 832,820 × 832,820
4. Step 4: Simplify right side
   388,060x = 693,589,152,400
5. Step 5: Solve for x
   x = 693,589,152,400/388,060
6. Step 6: Final answer
   x = 1,787,324.52