Finding the Third Proportional to 19,878.86 and 29,222.02

Step by Step Solution

1. Step 1: Write the proportion equation
   19,878.86 : 29,222.02 = 29,222.02 : x
2. Step 2: Convert to fraction form
   19,878.86/29,222.02 = 29,222.02/x
3. Step 3: Cross multiply
   19,878.86x = 29,222.02 × 29,222.02
4. Step 4: Simplify right side
   19,878.86x = 853,926,197.19
5. Step 5: Solve for x
   x = 853,926,197.19/19,878.86
6. Step 6: Final answer
   x = 42,956.51