Finding the Third Proportional to 9,279,798 and 20,443,980

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279,798 : 20,443,980 = 20,443,980 : x
2. Step 2: Convert to fraction form
   9,279,798/20,443,980 = 20,443,980/x
3. Step 3: Cross multiply
   9,279,798x = 20,443,980 × 20,443,980
4. Step 4: Simplify right side
   9,279,798x = 417,956,318,240,400
5. Step 5: Solve for x
   x = 417,956,318,240,400/9,279,798
6. Step 6: Final answer
   x = 45,039,376.75