Finding the Third Proportional to 42,663.75 and 91,767.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,663.75 : 91,767.25 = 91,767.25 : x
2. Step 2: Convert to fraction form
   42,663.75/91,767.25 = 91,767.25/x
3. Step 3: Cross multiply
   42,663.75x = 91,767.25 × 91,767.25
4. Step 4: Simplify right side
   42,663.75x = 8,421,228,172.56
5. Step 5: Solve for x
   x = 8,421,228,172.56/42,663.75
6. Step 6: Final answer
   x = 197,386.03