Finding the Third Proportional to 380,587.50 and 828,981

Step by Step Solution

1. Step 1: Write the proportion equation
   380,587.50 : 828,981 = 828,981 : x
2. Step 2: Convert to fraction form
   380,587.50/828,981 = 828,981/x
3. Step 3: Cross multiply
   380,587.50x = 828,981 × 828,981
4. Step 4: Simplify right side
   380,587.50x = 687,209,498,361
5. Step 5: Solve for x
   x = 687,209,498,361/380,587.50
6. Step 6: Final answer
   x = 1,805,654.41