Finding the Third Proportional to 388,045.50 and 832,791

Step by Step Solution

1. Step 1: Write the proportion equation
   388,045.50 : 832,791 = 832,791 : x
2. Step 2: Convert to fraction form
   388,045.50/832,791 = 832,791/x
3. Step 3: Cross multiply
   388,045.50x = 832,791 × 832,791
4. Step 4: Simplify right side
   388,045.50x = 693,540,849,681
5. Step 5: Solve for x
   x = 693,540,849,681/388,045.50
6. Step 6: Final answer
   x = 1,787,266.83