Finding the Third Proportional to 510,174 and 749,673

Step by Step Solution

1. Step 1: Write the proportion equation
   510,174 : 749,673 = 749,673 : x
2. Step 2: Convert to fraction form
   510,174/749,673 = 749,673/x
3. Step 3: Cross multiply
   510,174x = 749,673 × 749,673
4. Step 4: Simplify right side
   510,174x = 562,009,606,929
5. Step 5: Solve for x
   x = 562,009,606,929/510,174
6. Step 6: Final answer
   x = 1,101,603.78