Finding the Third Proportional to 19,860.19 and 29,154.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,860.19 : 29,154.94 = 29,154.94 : x
2. Step 2: Convert to fraction form
   19,860.19/29,154.94 = 29,154.94/x
3. Step 3: Cross multiply
   19,860.19x = 29,154.94 × 29,154.94
4. Step 4: Simplify right side
   19,860.19x = 850,010,380.63
5. Step 5: Solve for x
   x = 850,010,380.63/19,860.19
6. Step 6: Final answer
   x = 42,799.72