Finding the Third Proportional to 9,911,617.50 and 13,957,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,911,617.50 : 13,957,951.50 = 13,957,951.50 : x
2. Step 2: Convert to fraction form
   9,911,617.50/13,957,951.50 = 13,957,951.50/x
3. Step 3: Cross multiply
   9,911,617.50x = 13,957,951.50 × 13,957,951.50
4. Step 4: Simplify right side
   9,911,617.50x = 194,824,410,076,352.25
5. Step 5: Solve for x
   x = 194,824,410,076,352.25/9,911,617.50
6. Step 6: Final answer
   x = 19,656,167.13