Finding the Third Proportional to 21,298,240 and 30,456,733

Step by Step Solution

1. Step 1: Write the proportion equation
   21,298,240 : 30,456,733 = 30,456,733 : x
2. Step 2: Convert to fraction form
   21,298,240/30,456,733 = 30,456,733/x
3. Step 3: Cross multiply
   21,298,240x = 30,456,733 × 30,456,733
4. Step 4: Simplify right side
   21,298,240x = 927,612,585,033,289
5. Step 5: Solve for x
   x = 927,612,585,033,289/21,298,240
6. Step 6: Final answer
   x = 43,553,485.41