Finding the Third Proportional to 43,207.75 and 89,864.38

Step by Step Solution

1. Step 1: Write the proportion equation
   43,207.75 : 89,864.38 = 89,864.38 : x
2. Step 2: Convert to fraction form
   43,207.75/89,864.38 = 89,864.38/x
3. Step 3: Cross multiply
   43,207.75x = 89,864.38 × 89,864.38
4. Step 4: Simplify right side
   43,207.75x = 8,075,605,894.14
5. Step 5: Solve for x
   x = 8,075,605,894.14/43,207.75
6. Step 6: Final answer
   x = 186,901.79