Finding the Third Proportional to 9,951,259.50 and 21,285,830

Step by Step Solution

1. Step 1: Write the proportion equation
   9,951,259.50 : 21,285,830 = 21,285,830 : x
2. Step 2: Convert to fraction form
   9,951,259.50/21,285,830 = 21,285,830/x
3. Step 3: Cross multiply
   9,951,259.50x = 21,285,830 × 21,285,830
4. Step 4: Simplify right side
   9,951,259.50x = 453,086,558,788,900
5. Step 5: Solve for x
   x = 453,086,558,788,900/9,951,259.50
6. Step 6: Final answer
   x = 45,530,574.17