Finding the Third Proportional to 385,600.50 and 830,250

Step by Step Solution

1. Step 1: Write the proportion equation
   385,600.50 : 830,250 = 830,250 : x
2. Step 2: Convert to fraction form
   385,600.50/830,250 = 830,250/x
3. Step 3: Cross multiply
   385,600.50x = 830,250 × 830,250
4. Step 4: Simplify right side
   385,600.50x = 689,315,062,500
5. Step 5: Solve for x
   x = 689,315,062,500/385,600.50
6. Step 6: Final answer
   x = 1,787,640.48