Finding the Third Proportional to 66,109.50 and 100,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,109.50 : 100,714.50 = 100,714.50 : x
2. Step 2: Convert to fraction form
   66,109.50/100,714.50 = 100,714.50/x
3. Step 3: Cross multiply
   66,109.50x = 100,714.50 × 100,714.50
4. Step 4: Simplify right side
   66,109.50x = 10,143,410,510.25
5. Step 5: Solve for x
   x = 10,143,410,510.25/66,109.50
6. Step 6: Final answer
   x = 153,433.48