Finding the Third Proportional to 45,388.50 and 69,996.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,388.50 : 69,996.75 = 69,996.75 : x
2. Step 2: Convert to fraction form
   45,388.50/69,996.75 = 69,996.75/x
3. Step 3: Cross multiply
   45,388.50x = 69,996.75 × 69,996.75
4. Step 4: Simplify right side
   45,388.50x = 4,899,545,010.56
5. Step 5: Solve for x
   x = 4,899,545,010.56/45,388.50
6. Step 6: Final answer
   x = 107,946.84