Finding the Third Proportional to 515,156.63 and 757,836

Step by Step Solution

1. Step 1: Write the proportion equation
   515,156.63 : 757,836 = 757,836 : x
2. Step 2: Convert to fraction form
   515,156.63/757,836 = 757,836/x
3. Step 3: Cross multiply
   515,156.63x = 757,836 × 757,836
4. Step 4: Simplify right side
   515,156.63x = 574,315,402,896
5. Step 5: Solve for x
   x = 574,315,402,896/515,156.63
6. Step 6: Final answer
   x = 1,114,836.49