Finding the Third Proportional to 19,419.12 and 42,544.93

Step by Step Solution

1. Step 1: Write the proportion equation
   19,419.12 : 42,544.93 = 42,544.93 : x
2. Step 2: Convert to fraction form
   19,419.12/42,544.93 = 42,544.93/x
3. Step 3: Cross multiply
   19,419.12x = 42,544.93 × 42,544.93
4. Step 4: Simplify right side
   19,419.12x = 1,810,071,374.50
5. Step 5: Solve for x
   x = 1,810,071,374.50/19,419.12
6. Step 6: Final answer
   x = 93,210.80