Finding the Third Proportional to 641,169 and 996,727.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,169 : 996,727.50 = 996,727.50 : x
2. Step 2: Convert to fraction form
   641,169/996,727.50 = 996,727.50/x
3. Step 3: Cross multiply
   641,169x = 996,727.50 × 996,727.50
4. Step 4: Simplify right side
   641,169x = 993,465,709,256.25
5. Step 5: Solve for x
   x = 993,465,709,256.25/641,169
6. Step 6: Final answer
   x = 1,549,459.99