Finding the Third Proportional to 4,582,760 and 9,953,730

Step by Step Solution

1. Step 1: Write the proportion equation
   4,582,760 : 9,953,730 = 9,953,730 : x
2. Step 2: Convert to fraction form
   4,582,760/9,953,730 = 9,953,730/x
3. Step 3: Cross multiply
   4,582,760x = 9,953,730 × 9,953,730
4. Step 4: Simplify right side
   4,582,760x = 99,076,740,912,900
5. Step 5: Solve for x
   x = 99,076,740,912,900/4,582,760
6. Step 6: Final answer
   x = 21,619,447.87