Finding the Third Proportional to 72,754.88 and 109,402.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,754.88 : 109,402.31 = 109,402.31 : x
2. Step 2: Convert to fraction form
   72,754.88/109,402.31 = 109,402.31/x
3. Step 3: Cross multiply
   72,754.88x = 109,402.31 × 109,402.31
4. Step 4: Simplify right side
   72,754.88x = 11,968,865,980.35
5. Step 5: Solve for x
   x = 11,968,865,980.35/72,754.88
6. Step 6: Final answer
   x = 164,509.47