Finding the Third Proportional to 19,180.50 and 42,152.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,180.50 : 42,152.75 = 42,152.75 : x
2. Step 2: Convert to fraction form
   19,180.50/42,152.75 = 42,152.75/x
3. Step 3: Cross multiply
   19,180.50x = 42,152.75 × 42,152.75
4. Step 4: Simplify right side
   19,180.50x = 1,776,854,332.56
5. Step 5: Solve for x
   x = 1,776,854,332.56/19,180.50
6. Step 6: Final answer
   x = 92,638.58