Finding the Third Proportional to 510,158 and 749,667

Step by Step Solution

1. Step 1: Write the proportion equation
   510,158 : 749,667 = 749,667 : x
2. Step 2: Convert to fraction form
   510,158/749,667 = 749,667/x
3. Step 3: Cross multiply
   510,158x = 749,667 × 749,667
4. Step 4: Simplify right side
   510,158x = 562,000,610,889
5. Step 5: Solve for x
   x = 562,000,610,889/510,158
6. Step 6: Final answer
   x = 1,101,620.70