Finding the Third Proportional to 600,809.50 and 929,979

Step by Step Solution

1. Step 1: Write the proportion equation
   600,809.50 : 929,979 = 929,979 : x
2. Step 2: Convert to fraction form
   600,809.50/929,979 = 929,979/x
3. Step 3: Cross multiply
   600,809.50x = 929,979 × 929,979
4. Step 4: Simplify right side
   600,809.50x = 864,860,940,441
5. Step 5: Solve for x
   x = 864,860,940,441/600,809.50
6. Step 6: Final answer
   x = 1,439,492.79