Finding the Third Proportional to 4,587,188 and 7,287,591

Step by Step Solution

1. Step 1: Write the proportion equation
   4,587,188 : 7,287,591 = 7,287,591 : x
2. Step 2: Convert to fraction form
   4,587,188/7,287,591 = 7,287,591/x
3. Step 3: Cross multiply
   4,587,188x = 7,287,591 × 7,287,591
4. Step 4: Simplify right side
   4,587,188x = 53,108,982,583,281
5. Step 5: Solve for x
   x = 53,108,982,583,281/4,587,188
6. Step 6: Final answer
   x = 11,577,677.34