Finding the Third Proportional to 9,605,946 and 21,080,785.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605,946 : 21,080,785.50 = 21,080,785.50 : x
2. Step 2: Convert to fraction form
   9,605,946/21,080,785.50 = 21,080,785.50/x
3. Step 3: Cross multiply
   9,605,946x = 21,080,785.50 × 21,080,785.50
4. Step 4: Simplify right side
   9,605,946x = 444,399,517,297,010.25
5. Step 5: Solve for x
   x = 444,399,517,297,010.25/9,605,946
6. Step 6: Final answer
   x = 46,262,962.26