Finding the Third Proportional to 510,045 and 787,013

Step by Step Solution

1. Step 1: Write the proportion equation
   510,045 : 787,013 = 787,013 : x
2. Step 2: Convert to fraction form
   510,045/787,013 = 787,013/x
3. Step 3: Cross multiply
   510,045x = 787,013 × 787,013
4. Step 4: Simplify right side
   510,045x = 619,389,462,169
5. Step 5: Solve for x
   x = 619,389,462,169/510,045
6. Step 6: Final answer
   x = 1,214,381.99