Finding the Third Proportional to 34,128 and 73,805.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,128 : 73,805.25 = 73,805.25 : x
2. Step 2: Convert to fraction form
   34,128/73,805.25 = 73,805.25/x
3. Step 3: Cross multiply
   34,128x = 73,805.25 × 73,805.25
4. Step 4: Simplify right side
   34,128x = 5,447,214,927.56
5. Step 5: Solve for x
   x = 5,447,214,927.56/34,128
6. Step 6: Final answer
   x = 159,611.31