Finding the Third Proportional to 48,488.63 and 74,889.56

Step by Step Solution

1. Step 1: Write the proportion equation
   48,488.63 : 74,889.56 = 74,889.56 : x
2. Step 2: Convert to fraction form
   48,488.63/74,889.56 = 74,889.56/x
3. Step 3: Cross multiply
   48,488.63x = 74,889.56 × 74,889.56
4. Step 4: Simplify right side
   48,488.63x = 5,608,446,571.44
5. Step 5: Solve for x
   x = 5,608,446,571.44/48,488.63
6. Step 6: Final answer
   x = 115,665.20