Finding the Third Proportional to 21,810,949 and 45,878,238

Step by Step Solution

1. Step 1: Write the proportion equation
   21,810,949 : 45,878,238 = 45,878,238 : x
2. Step 2: Convert to fraction form
   21,810,949/45,878,238 = 45,878,238/x
3. Step 3: Cross multiply
   21,810,949x = 45,878,238 × 45,878,238
4. Step 4: Simplify right side
   21,810,949x = 2,104,812,721,984,644
5. Step 5: Solve for x
   x = 2,104,812,721,984,644/21,810,949
6. Step 6: Final answer
   x = 96,502,574.10