Finding the Third Proportional to 355,747.50 and 839,754

Step by Step Solution

1. Step 1: Write the proportion equation
   355,747.50 : 839,754 = 839,754 : x
2. Step 2: Convert to fraction form
   355,747.50/839,754 = 839,754/x
3. Step 3: Cross multiply
   355,747.50x = 839,754 × 839,754
4. Step 4: Simplify right side
   355,747.50x = 705,186,780,516
5. Step 5: Solve for x
   x = 705,186,780,516/355,747.50
6. Step 6: Final answer
   x = 1,982,267.71