Finding the Third Proportional to 455,011.50 and 979,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,011.50 : 979,789.50 = 979,789.50 : x
2. Step 2: Convert to fraction form
   455,011.50/979,789.50 = 979,789.50/x
3. Step 3: Cross multiply
   455,011.50x = 979,789.50 × 979,789.50
4. Step 4: Simplify right side
   455,011.50x = 959,987,464,310.25
5. Step 5: Solve for x
   x = 959,987,464,310.25/455,011.50
6. Step 6: Final answer
   x = 2,109,809.23