Finding the Third Proportional to 8,007,828.50 and 12,409,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,007,828.50 : 12,409,837.50 = 12,409,837.50 : x
2. Step 2: Convert to fraction form
   8,007,828.50/12,409,837.50 = 12,409,837.50/x
3. Step 3: Cross multiply
   8,007,828.50x = 12,409,837.50 × 12,409,837.50
4. Step 4: Simplify right side
   8,007,828.50x = 154,004,066,776,406.25
5. Step 5: Solve for x
   x = 154,004,066,776,406.25/8,007,828.50
6. Step 6: Final answer
   x = 19,231,688.94