Finding the Third Proportional to 19,861 and 29,123

Step by Step Solution

1. Step 1: Write the proportion equation
   19,861 : 29,123 = 29,123 : x
2. Step 2: Convert to fraction form
   19,861/29,123 = 29,123/x
3. Step 3: Cross multiply
   19,861x = 29,123 × 29,123
4. Step 4: Simplify right side
   19,861x = 848,149,129
5. Step 5: Solve for x
   x = 848,149,129/19,861
6. Step 6: Final answer
   x = 42,704.25