Finding the Third Proportional to 4,987,604 and 10,721,113

Step by Step Solution

1. Step 1: Write the proportion equation
   4,987,604 : 10,721,113 = 10,721,113 : x
2. Step 2: Convert to fraction form
   4,987,604/10,721,113 = 10,721,113/x
3. Step 3: Cross multiply
   4,987,604x = 10,721,113 × 10,721,113
4. Step 4: Simplify right side
   4,987,604x = 114,942,263,958,769
5. Step 5: Solve for x
   x = 114,942,263,958,769/4,987,604
6. Step 6: Final answer
   x = 23,045,587.41