Finding the Third Proportional to 509,042 and 1,005,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   509,042 : 1,005,234.50 = 1,005,234.50 : x
2. Step 2: Convert to fraction form
   509,042/1,005,234.50 = 1,005,234.50/x
3. Step 3: Cross multiply
   509,042x = 1,005,234.50 × 1,005,234.50
4. Step 4: Simplify right side
   509,042x = 1,010,496,399,990.25
5. Step 5: Solve for x
   x = 1,010,496,399,990.25/509,042
6. Step 6: Final answer
   x = 1,985,094.35