Finding the Third Proportional to 9,887,449.50 and 21,660,030

Step by Step Solution

1. Step 1: Write the proportion equation
   9,887,449.50 : 21,660,030 = 21,660,030 : x
2. Step 2: Convert to fraction form
   9,887,449.50/21,660,030 = 21,660,030/x
3. Step 3: Cross multiply
   9,887,449.50x = 21,660,030 × 21,660,030
4. Step 4: Simplify right side
   9,887,449.50x = 469,156,899,600,900
5. Step 5: Solve for x
   x = 469,156,899,600,900/9,887,449.50
6. Step 6: Final answer
   x = 47,449,739.15