Finding the Third Proportional to 455,724 and 998,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,724 : 998,932.50 = 998,932.50 : x
2. Step 2: Convert to fraction form
   455,724/998,932.50 = 998,932.50/x
3. Step 3: Cross multiply
   455,724x = 998,932.50 × 998,932.50
4. Step 4: Simplify right side
   455,724x = 997,866,139,556.25
5. Step 5: Solve for x
   x = 997,866,139,556.25/455,724
6. Step 6: Final answer
   x = 2,189,628.24