Finding the Third Proportional to 34,090.88 and 72,920.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,090.88 : 72,920.25 = 72,920.25 : x
2. Step 2: Convert to fraction form
   34,090.88/72,920.25 = 72,920.25/x
3. Step 3: Cross multiply
   34,090.88x = 72,920.25 × 72,920.25
4. Step 4: Simplify right side
   34,090.88x = 5,317,362,860.06
5. Step 5: Solve for x
   x = 5,317,362,860.06/34,090.88
6. Step 6: Final answer
   x = 155,976.13