Finding the Third Proportional to 9,679,287.75 and 21,065,524.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,679,287.75 : 21,065,524.50 = 21,065,524.50 : x
2. Step 2: Convert to fraction form
   9,679,287.75/21,065,524.50 = 21,065,524.50/x
3. Step 3: Cross multiply
   9,679,287.75x = 21,065,524.50 × 21,065,524.50
4. Step 4: Simplify right side
   9,679,287.75x = 443,756,322,460,100.25
5. Step 5: Solve for x
   x = 443,756,322,460,100.25/9,679,287.75
6. Step 6: Final answer
   x = 45,845,968.62