Finding the Third Proportional to 19,654 and 42,445

Step by Step Solution

1. Step 1: Write the proportion equation
   19,654 : 42,445 = 42,445 : x
2. Step 2: Convert to fraction form
   19,654/42,445 = 42,445/x
3. Step 3: Cross multiply
   19,654x = 42,445 × 42,445
4. Step 4: Simplify right side
   19,654x = 1,801,578,025
5. Step 5: Solve for x
   x = 1,801,578,025/19,654
6. Step 6: Final answer
   x = 91,664.70