Finding the Third Proportional to 9,798,188 and 21,278,848

Step by Step Solution

1. Step 1: Write the proportion equation
   9,798,188 : 21,278,848 = 21,278,848 : x
2. Step 2: Convert to fraction form
   9,798,188/21,278,848 = 21,278,848/x
3. Step 3: Cross multiply
   9,798,188x = 21,278,848 × 21,278,848
4. Step 4: Simplify right side
   9,798,188x = 452,789,372,207,104
5. Step 5: Solve for x
   x = 452,789,372,207,104/9,798,188
6. Step 6: Final answer
   x = 46,211,541.58