Finding the Third Proportional to 48,549.38 and 72,889.88

Step by Step Solution

1. Step 1: Write the proportion equation
   48,549.38 : 72,889.88 = 72,889.88 : x
2. Step 2: Convert to fraction form
   48,549.38/72,889.88 = 72,889.88/x
3. Step 3: Cross multiply
   48,549.38x = 72,889.88 × 72,889.88
4. Step 4: Simplify right side
   48,549.38x = 5,312,933,877.52
5. Step 5: Solve for x
   x = 5,312,933,877.52/48,549.38
6. Step 6: Final answer
   x = 109,433.62