Finding the Third Proportional to 46,143.42 and 72,290.60

Step by Step Solution

1. Step 1: Write the proportion equation
   46,143.42 : 72,290.60 = 72,290.60 : x
2. Step 2: Convert to fraction form
   46,143.42/72,290.60 = 72,290.60/x
3. Step 3: Cross multiply
   46,143.42x = 72,290.60 × 72,290.60
4. Step 4: Simplify right side
   46,143.42x = 5,225,931,074.27
5. Step 5: Solve for x
   x = 5,225,931,074.27/46,143.42
6. Step 6: Final answer
   x = 113,254.09