Finding the Third Proportional to 34,889.63 and 72,731.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,889.63 : 72,731.25 = 72,731.25 : x
2. Step 2: Convert to fraction form
   34,889.63/72,731.25 = 72,731.25/x
3. Step 3: Cross multiply
   34,889.63x = 72,731.25 × 72,731.25
4. Step 4: Simplify right side
   34,889.63x = 5,289,834,726.56
5. Step 5: Solve for x
   x = 5,289,834,726.56/34,889.63
6. Step 6: Final answer
   x = 151,616.27