Finding the Third Proportional to 19,858 and 42,594

Step by Step Solution

1. Step 1: Write the proportion equation
   19,858 : 42,594 = 42,594 : x
2. Step 2: Convert to fraction form
   19,858/42,594 = 42,594/x
3. Step 3: Cross multiply
   19,858x = 42,594 × 42,594
4. Step 4: Simplify right side
   19,858x = 1,814,248,836
5. Step 5: Solve for x
   x = 1,814,248,836/19,858
6. Step 6: Final answer
   x = 91,361.11