Finding the Third Proportional to 21,026,158 and 30,740,979

Step by Step Solution

1. Step 1: Write the proportion equation
   21,026,158 : 30,740,979 = 30,740,979 : x
2. Step 2: Convert to fraction form
   21,026,158/30,740,979 = 30,740,979/x
3. Step 3: Cross multiply
   21,026,158x = 30,740,979 × 30,740,979
4. Step 4: Simplify right side
   21,026,158x = 945,007,789,878,441
5. Step 5: Solve for x
   x = 945,007,789,878,441/21,026,158
6. Step 6: Final answer
   x = 44,944,387.36