Finding the Third Proportional to 19,537.31 and 42,800.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,537.31 : 42,800.63 = 42,800.63 : x
2. Step 2: Convert to fraction form
   19,537.31/42,800.63 = 42,800.63/x
3. Step 3: Cross multiply
   19,537.31x = 42,800.63 × 42,800.63
4. Step 4: Simplify right side
   19,537.31x = 1,831,893,500.39
5. Step 5: Solve for x
   x = 1,831,893,500.39/19,537.31
6. Step 6: Final answer
   x = 93,763.84