Finding the Third Proportional to 34,315.88 and 74,423.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,315.88 : 74,423.25 = 74,423.25 : x
2. Step 2: Convert to fraction form
   34,315.88/74,423.25 = 74,423.25/x
3. Step 3: Cross multiply
   34,315.88x = 74,423.25 × 74,423.25
4. Step 4: Simplify right side
   34,315.88x = 5,538,820,140.56
5. Step 5: Solve for x
   x = 5,538,820,140.56/34,315.88
6. Step 6: Final answer
   x = 161,406.93