Finding the Third Proportional to 40,064.63 and 66,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,064.63 : 66,730.50 = 66,730.50 : x
2. Step 2: Convert to fraction form
   40,064.63/66,730.50 = 66,730.50/x
3. Step 3: Cross multiply
   40,064.63x = 66,730.50 × 66,730.50
4. Step 4: Simplify right side
   40,064.63x = 4,452,959,630.25
5. Step 5: Solve for x
   x = 4,452,959,630.25/40,064.63
6. Step 6: Final answer
   x = 111,144.42