Finding the Third Proportional to 455,499 and 996,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,499 : 996,802.50 = 996,802.50 : x
2. Step 2: Convert to fraction form
   455,499/996,802.50 = 996,802.50/x
3. Step 3: Cross multiply
   455,499x = 996,802.50 × 996,802.50
4. Step 4: Simplify right side
   455,499x = 993,615,224,006.25
5. Step 5: Solve for x
   x = 993,615,224,006.25/455,499
6. Step 6: Final answer
   x = 2,181,377.40