Finding the Third Proportional to 30,643.31 and 47,349.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,643.31 : 47,349.56 = 47,349.56 : x
2. Step 2: Convert to fraction form
   30,643.31/47,349.56 = 47,349.56/x
3. Step 3: Cross multiply
   30,643.31x = 47,349.56 × 47,349.56
4. Step 4: Simplify right side
   30,643.31x = 2,241,981,068.94
5. Step 5: Solve for x
   x = 2,241,981,068.94/30,643.31
6. Step 6: Final answer
   x = 73,163.80