Finding the Third Proportional to 522,423 and 1,139,980.50

Step by Step Solution

1. Step 1: Write the proportion equation
   522,423 : 1,139,980.50 = 1,139,980.50 : x
2. Step 2: Convert to fraction form
   522,423/1,139,980.50 = 1,139,980.50/x
3. Step 3: Cross multiply
   522,423x = 1,139,980.50 × 1,139,980.50
4. Step 4: Simplify right side
   522,423x = 1,299,555,540,380.25
5. Step 5: Solve for x
   x = 1,299,555,540,380.25/522,423
6. Step 6: Final answer
   x = 2,487,554.22