Finding the Third Proportional to 34,081.31 and 72,536.63

Step by Step Solution

1. Step 1: Write the proportion equation
   34,081.31 : 72,536.63 = 72,536.63 : x
2. Step 2: Convert to fraction form
   34,081.31/72,536.63 = 72,536.63/x
3. Step 3: Cross multiply
   34,081.31x = 72,536.63 × 72,536.63
4. Step 4: Simplify right side
   34,081.31x = 5,261,561,966.39
5. Step 5: Solve for x
   x = 5,261,561,966.39/34,081.31
6. Step 6: Final answer
   x = 154,382.61