Finding the Third Proportional to 27,018.75 and 63,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,018.75 : 63,109.50 = 63,109.50 : x
2. Step 2: Convert to fraction form
   27,018.75/63,109.50 = 63,109.50/x
3. Step 3: Cross multiply
   27,018.75x = 63,109.50 × 63,109.50
4. Step 4: Simplify right side
   27,018.75x = 3,982,808,990.25
5. Step 5: Solve for x
   x = 3,982,808,990.25/27,018.75
6. Step 6: Final answer
   x = 147,409.08