Finding the Third Proportional to 511,165 and 773,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   511,165 : 773,911.50 = 773,911.50 : x
2. Step 2: Convert to fraction form
   511,165/773,911.50 = 773,911.50/x
3. Step 3: Cross multiply
   511,165x = 773,911.50 × 773,911.50
4. Step 4: Simplify right side
   511,165x = 598,939,009,832.25
5. Step 5: Solve for x
   x = 598,939,009,832.25/511,165
6. Step 6: Final answer
   x = 1,171,713.65