Finding the Third Proportional to 4,987,180 and 10,771,520

Step by Step Solution

1. Step 1: Write the proportion equation
   4,987,180 : 10,771,520 = 10,771,520 : x
2. Step 2: Convert to fraction form
   4,987,180/10,771,520 = 10,771,520/x
3. Step 3: Cross multiply
   4,987,180x = 10,771,520 × 10,771,520
4. Step 4: Simplify right side
   4,987,180x = 116,025,643,110,400
5. Step 5: Solve for x
   x = 116,025,643,110,400/4,987,180
6. Step 6: Final answer
   x = 23,264,779.52