Finding the Third Proportional to 72,069.56 and 155,210.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,069.56 : 155,210.63 = 155,210.63 : x
2. Step 2: Convert to fraction form
   72,069.56/155,210.63 = 155,210.63/x
3. Step 3: Cross multiply
   72,069.56x = 155,210.63 × 155,210.63
4. Step 4: Simplify right side
   72,069.56x = 24,090,338,112.89
5. Step 5: Solve for x
   x = 24,090,338,112.89/72,069.56
6. Step 6: Final answer
   x = 334,265.08