Finding the Third Proportional to 3,691,860 and 5,588,724

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691,860 : 5,588,724 = 5,588,724 : x
2. Step 2: Convert to fraction form
   3,691,860/5,588,724 = 5,588,724/x
3. Step 3: Cross multiply
   3,691,860x = 5,588,724 × 5,588,724
4. Step 4: Simplify right side
   3,691,860x = 31,233,835,948,176
5. Step 5: Solve for x
   x = 31,233,835,948,176/3,691,860
6. Step 6: Final answer
   x = 8,460,189.70