Finding the Third Proportional to 47,278 and 71,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,278 : 71,899.50 = 71,899.50 : x
2. Step 2: Convert to fraction form
   47,278/71,899.50 = 71,899.50/x
3. Step 3: Cross multiply
   47,278x = 71,899.50 × 71,899.50
4. Step 4: Simplify right side
   47,278x = 5,169,538,100.25
5. Step 5: Solve for x
   x = 5,169,538,100.25/47,278
6. Step 6: Final answer
   x = 109,343.42