Finding the Third Proportional to 72,064.69 and 107,762.91

Step by Step Solution

1. Step 1: Write the proportion equation
   72,064.69 : 107,762.91 = 107,762.91 : x
2. Step 2: Convert to fraction form
   72,064.69/107,762.91 = 107,762.91/x
3. Step 3: Cross multiply
   72,064.69x = 107,762.91 × 107,762.91
4. Step 4: Simplify right side
   72,064.69x = 11,612,843,963.45
5. Step 5: Solve for x
   x = 11,612,843,963.45/72,064.69
6. Step 6: Final answer
   x = 161,144.72