Finding the Third Proportional to 19,789.31 and 42,881.91

Step by Step Solution

1. Step 1: Write the proportion equation
   19,789.31 : 42,881.91 = 42,881.91 : x
2. Step 2: Convert to fraction form
   19,789.31/42,881.91 = 42,881.91/x
3. Step 3: Cross multiply
   19,789.31x = 42,881.91 × 42,881.91
4. Step 4: Simplify right side
   19,789.31x = 1,838,857,883.63
5. Step 5: Solve for x
   x = 1,838,857,883.63/19,789.31
6. Step 6: Final answer
   x = 92,921.77