Finding the Third Proportional to 48,279.94 and 70,691.63

Step by Step Solution

1. Step 1: Write the proportion equation
   48,279.94 : 70,691.63 = 70,691.63 : x
2. Step 2: Convert to fraction form
   48,279.94/70,691.63 = 70,691.63/x
3. Step 3: Cross multiply
   48,279.94x = 70,691.63 × 70,691.63
4. Step 4: Simplify right side
   48,279.94x = 4,997,305,845.14
5. Step 5: Solve for x
   x = 4,997,305,845.14/48,279.94
6. Step 6: Final answer
   x = 103,506.88