Finding the Third Proportional to 9,755,494 and 21,009,356

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755,494 : 21,009,356 = 21,009,356 : x
2. Step 2: Convert to fraction form
   9,755,494/21,009,356 = 21,009,356/x
3. Step 3: Cross multiply
   9,755,494x = 21,009,356 × 21,009,356
4. Step 4: Simplify right side
   9,755,494x = 441,393,039,534,736
5. Step 5: Solve for x
   x = 441,393,039,534,736/9,755,494
6. Step 6: Final answer
   x = 45,245,585.67