Finding the Third Proportional to 30,641.63 and 72,448.59

Step by Step Solution

1. Step 1: Write the proportion equation
   30,641.63 : 72,448.59 = 72,448.59 : x
2. Step 2: Convert to fraction form
   30,641.63/72,448.59 = 72,448.59/x
3. Step 3: Cross multiply
   30,641.63x = 72,448.59 × 72,448.59
4. Step 4: Simplify right side
   30,641.63x = 5,248,798,736.35
5. Step 5: Solve for x
   x = 5,248,798,736.35/30,641.63
6. Step 6: Final answer
   x = 171,296.36