Finding the Third Proportional to 71,485 and 152,786

Step by Step Solution

1. Step 1: Write the proportion equation
   71,485 : 152,786 = 152,786 : x
2. Step 2: Convert to fraction form
   71,485/152,786 = 152,786/x
3. Step 3: Cross multiply
   71,485x = 152,786 × 152,786
4. Step 4: Simplify right side
   71,485x = 23,343,561,796
5. Step 5: Solve for x
   x = 23,343,561,796/71,485
6. Step 6: Final answer
   x = 326,551.89