Finding the Third Proportional to 9,631,824 and 14,128,429.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,631,824 : 14,128,429.50 = 14,128,429.50 : x
2. Step 2: Convert to fraction form
   9,631,824/14,128,429.50 = 14,128,429.50/x
3. Step 3: Cross multiply
   9,631,824x = 14,128,429.50 × 14,128,429.50
4. Step 4: Simplify right side
   9,631,824x = 199,612,520,136,470.25
5. Step 5: Solve for x
   x = 199,612,520,136,470.25/9,631,824
6. Step 6: Final answer
   x = 20,724,269.89