Finding the Third Proportional to 4,947,903 and 10,305,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,947,903 : 10,305,340.50 = 10,305,340.50 : x
2. Step 2: Convert to fraction form
   4,947,903/10,305,340.50 = 10,305,340.50/x
3. Step 3: Cross multiply
   4,947,903x = 10,305,340.50 × 10,305,340.50
4. Step 4: Simplify right side
   4,947,903x = 106,200,042,820,940.25
5. Step 5: Solve for x
   x = 106,200,042,820,940.25/4,947,903
6. Step 6: Final answer
   x = 21,463,646.89