Finding the Third Proportional to 386,437.50 and 830,016

Step by Step Solution

1. Step 1: Write the proportion equation
   386,437.50 : 830,016 = 830,016 : x
2. Step 2: Convert to fraction form
   386,437.50/830,016 = 830,016/x
3. Step 3: Cross multiply
   386,437.50x = 830,016 × 830,016
4. Step 4: Simplify right side
   386,437.50x = 688,926,560,256
5. Step 5: Solve for x
   x = 688,926,560,256/386,437.50
6. Step 6: Final answer
   x = 1,782,763.22