Finding the Third Proportional to 185,121 and 384,790.50

Step by Step Solution

1. Step 1: Write the proportion equation
   185,121 : 384,790.50 = 384,790.50 : x
2. Step 2: Convert to fraction form
   185,121/384,790.50 = 384,790.50/x
3. Step 3: Cross multiply
   185,121x = 384,790.50 × 384,790.50
4. Step 4: Simplify right side
   185,121x = 148,063,728,890.25
5. Step 5: Solve for x
   x = 148,063,728,890.25/185,121
6. Step 6: Final answer
   x = 799,821.35