Finding the Third Proportional to 71,031 and 153,131.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,031 : 153,131.25 = 153,131.25 : x
2. Step 2: Convert to fraction form
   71,031/153,131.25 = 153,131.25/x
3. Step 3: Cross multiply
   71,031x = 153,131.25 × 153,131.25
4. Step 4: Simplify right side
   71,031x = 23,449,179,726.56
5. Step 5: Solve for x
   x = 23,449,179,726.56/71,031
6. Step 6: Final answer
   x = 330,126.00