Finding the Third Proportional to 9,755,494 and 21,009,352

Step by Step Solution

1. Step 1: Write the proportion equation
   9,755,494 : 21,009,352 = 21,009,352 : x
2. Step 2: Convert to fraction form
   9,755,494/21,009,352 = 21,009,352/x
3. Step 3: Cross multiply
   9,755,494x = 21,009,352 × 21,009,352
4. Step 4: Simplify right side
   9,755,494x = 441,392,871,459,904
5. Step 5: Solve for x
   x = 441,392,871,459,904/9,755,494
6. Step 6: Final answer
   x = 45,245,568.44