Finding the Third Proportional to 519,685 and 1,111,188.50

Step by Step Solution

1. Step 1: Write the proportion equation
   519,685 : 1,111,188.50 = 1,111,188.50 : x
2. Step 2: Convert to fraction form
   519,685/1,111,188.50 = 1,111,188.50/x
3. Step 3: Cross multiply
   519,685x = 1,111,188.50 × 1,111,188.50
4. Step 4: Simplify right side
   519,685x = 1,234,739,882,532.25
5. Step 5: Solve for x
   x = 1,234,739,882,532.25/519,685
6. Step 6: Final answer
   x = 2,375,939.04