Finding the Third Proportional to 381,067.50 and 812,751

Step by Step Solution

1. Step 1: Write the proportion equation
   381,067.50 : 812,751 = 812,751 : x
2. Step 2: Convert to fraction form
   381,067.50/812,751 = 812,751/x
3. Step 3: Cross multiply
   381,067.50x = 812,751 × 812,751
4. Step 4: Simplify right side
   381,067.50x = 660,564,188,001
5. Step 5: Solve for x
   x = 660,564,188,001/381,067.50
6. Step 6: Final answer
   x = 1,733,457.16