Finding the Third Proportional to 19,060.31 and 39,464.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,060.31 : 39,464.72 = 39,464.72 : x
2. Step 2: Convert to fraction form
   19,060.31/39,464.72 = 39,464.72/x
3. Step 3: Cross multiply
   19,060.31x = 39,464.72 × 39,464.72
4. Step 4: Simplify right side
   19,060.31x = 1,557,464,026.02
5. Step 5: Solve for x
   x = 1,557,464,026.02/19,060.31
6. Step 6: Final answer
   x = 81,712.41