Finding the Third Proportional to 34,045.31 and 72,781.03

Step by Step Solution

1. Step 1: Write the proportion equation
   34,045.31 : 72,781.03 = 72,781.03 : x
2. Step 2: Convert to fraction form
   34,045.31/72,781.03 = 72,781.03/x
3. Step 3: Cross multiply
   34,045.31x = 72,781.03 × 72,781.03
4. Step 4: Simplify right side
   34,045.31x = 5,297,078,509.81
5. Step 5: Solve for x
   x = 5,297,078,509.81/34,045.31
6. Step 6: Final answer
   x = 155,589.07