Finding the Third Proportional to 9,963,994.50 and 21,456,162

Step by Step Solution

1. Step 1: Write the proportion equation
   9,963,994.50 : 21,456,162 = 21,456,162 : x
2. Step 2: Convert to fraction form
   9,963,994.50/21,456,162 = 21,456,162/x
3. Step 3: Cross multiply
   9,963,994.50x = 21,456,162 × 21,456,162
4. Step 4: Simplify right side
   9,963,994.50x = 460,366,887,770,244
5. Step 5: Solve for x
   x = 460,366,887,770,244/9,963,994.50
6. Step 6: Final answer
   x = 46,203,045.15