Finding the Third Proportional to 9,975,720 and 21,443,250

Step by Step Solution

1. Step 1: Write the proportion equation
   9,975,720 : 21,443,250 = 21,443,250 : x
2. Step 2: Convert to fraction form
   9,975,720/21,443,250 = 21,443,250/x
3. Step 3: Cross multiply
   9,975,720x = 21,443,250 × 21,443,250
4. Step 4: Simplify right side
   9,975,720x = 459,812,970,562,500
5. Step 5: Solve for x
   x = 459,812,970,562,500/9,975,720
6. Step 6: Final answer
   x = 46,093,211.37