Finding the Third Proportional to 385,845 and 830,950.50

Step by Step Solution

1. Step 1: Write the proportion equation
   385,845 : 830,950.50 = 830,950.50 : x
2. Step 2: Convert to fraction form
   385,845/830,950.50 = 830,950.50/x
3. Step 3: Cross multiply
   385,845x = 830,950.50 × 830,950.50
4. Step 4: Simplify right side
   385,845x = 690,478,733,450.25
5. Step 5: Solve for x
   x = 690,478,733,450.25/385,845
6. Step 6: Final answer
   x = 1,789,523.60