Finding the Third Proportional to 19,659.19 and 42,774.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,659.19 : 42,774.38 = 42,774.38 : x
2. Step 2: Convert to fraction form
   19,659.19/42,774.38 = 42,774.38/x
3. Step 3: Cross multiply
   19,659.19x = 42,774.38 × 42,774.38
4. Step 4: Simplify right side
   19,659.19x = 1,829,647,156.64
5. Step 5: Solve for x
   x = 1,829,647,156.64/19,659.19
6. Step 6: Final answer
   x = 93,068.30