Finding the Third Proportional to 8,007,843.75 and 12,409,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,007,843.75 : 12,409,861.50 = 12,409,861.50 : x
2. Step 2: Convert to fraction form
   8,007,843.75/12,409,861.50 = 12,409,861.50/x
3. Step 3: Cross multiply
   8,007,843.75x = 12,409,861.50 × 12,409,861.50
4. Step 4: Simplify right side
   8,007,843.75x = 154,004,662,449,182.25
5. Step 5: Solve for x
   x = 154,004,662,449,182.25/8,007,843.75
6. Step 6: Final answer
   x = 19,231,726.70