Finding the Third Proportional to 412,005 and 992,215.88

Step by Step Solution

1. Step 1: Write the proportion equation
   412,005 : 992,215.88 = 992,215.88 : x
2. Step 2: Convert to fraction form
   412,005/992,215.88 = 992,215.88/x
3. Step 3: Cross multiply
   412,005x = 992,215.88 × 992,215.88
4. Step 4: Simplify right side
   412,005x = 984,492,342,602.02
5. Step 5: Solve for x
   x = 984,492,342,602.02/412,005
6. Step 6: Final answer
   x = 2,389,515.52