Finding the Third Proportional to 355,635 and 839,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   355,635 : 839,467.50 = 839,467.50 : x
2. Step 2: Convert to fraction form
   355,635/839,467.50 = 839,467.50/x
3. Step 3: Cross multiply
   355,635x = 839,467.50 × 839,467.50
4. Step 4: Simplify right side
   355,635x = 704,705,683,556.25
5. Step 5: Solve for x
   x = 704,705,683,556.25/355,635
6. Step 6: Final answer
   x = 1,981,541.98