Finding the Third Proportional to 19,666.13 and 42,973.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,666.13 : 42,973.88 = 42,973.88 : x
2. Step 2: Convert to fraction form
   19,666.13/42,973.88 = 42,973.88/x
3. Step 3: Cross multiply
   19,666.13x = 42,973.88 × 42,973.88
4. Step 4: Simplify right side
   19,666.13x = 1,846,753,932.52
5. Step 5: Solve for x
   x = 1,846,753,932.52/19,666.13
6. Step 6: Final answer
   x = 93,905.33