Finding the Third Proportional to 4,587,174 and 7,287,573

Step by Step Solution

1. Step 1: Write the proportion equation
   4,587,174 : 7,287,573 = 7,287,573 : x
2. Step 2: Convert to fraction form
   4,587,174/7,287,573 = 7,287,573/x
3. Step 3: Cross multiply
   4,587,174x = 7,287,573 × 7,287,573
4. Step 4: Simplify right side
   4,587,174x = 53,108,720,230,329
5. Step 5: Solve for x
   x = 53,108,720,230,329/4,587,174
6. Step 6: Final answer
   x = 11,577,655.49