Finding the Third Proportional to 375,978.94 and 782,939.81

Step by Step Solution

1. Step 1: Write the proportion equation
   375,978.94 : 782,939.81 = 782,939.81 : x
2. Step 2: Convert to fraction form
   375,978.94/782,939.81 = 782,939.81/x
3. Step 3: Cross multiply
   375,978.94x = 782,939.81 × 782,939.81
4. Step 4: Simplify right side
   375,978.94x = 612,994,749,997.54
5. Step 5: Solve for x
   x = 612,994,749,997.54/375,978.94
6. Step 6: Final answer
   x = 1,630,396.52