Finding the Third Proportional to 19,897.88 and 42,904.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,897.88 : 42,904.13 = 42,904.13 : x
2. Step 2: Convert to fraction form
   19,897.88/42,904.13 = 42,904.13/x
3. Step 3: Cross multiply
   19,897.88x = 42,904.13 × 42,904.13
4. Step 4: Simplify right side
   19,897.88x = 1,840,763,942.02
5. Step 5: Solve for x
   x = 1,840,763,942.02/19,897.88
6. Step 6: Final answer
   x = 92,510.58