Finding the Third Proportional to 388,395.84 and 830,763

Step by Step Solution

1. Step 1: Write the proportion equation
   388,395.84 : 830,763 = 830,763 : x
2. Step 2: Convert to fraction form
   388,395.84/830,763 = 830,763/x
3. Step 3: Cross multiply
   388,395.84x = 830,763 × 830,763
4. Step 4: Simplify right side
   388,395.84x = 690,167,162,169
5. Step 5: Solve for x
   x = 690,167,162,169/388,395.84
6. Step 6: Final answer
   x = 1,776,968.45