Finding the Third Proportional to 9,274,829.25 and 12,815,827.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,274,829.25 : 12,815,827.50 = 12,815,827.50 : x
2. Step 2: Convert to fraction form
   9,274,829.25/12,815,827.50 = 12,815,827.50/x
3. Step 3: Cross multiply
   9,274,829.25x = 12,815,827.50 × 12,815,827.50
4. Step 4: Simplify right side
   9,274,829.25x = 164,245,434,509,756.25
5. Step 5: Solve for x
   x = 164,245,434,509,756.25/9,274,829.25
6. Step 6: Final answer
   x = 17,708,728.66