Finding the Third Proportional to 42,796.69 and 66,529.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,796.69 : 66,529.69 = 66,529.69 : x
2. Step 2: Convert to fraction form
   42,796.69/66,529.69 = 66,529.69/x
3. Step 3: Cross multiply
   42,796.69x = 66,529.69 × 66,529.69
4. Step 4: Simplify right side
   42,796.69x = 4,426,199,318.85
5. Step 5: Solve for x
   x = 4,426,199,318.85/42,796.69
6. Step 6: Final answer
   x = 103,423.88