Finding the Third Proportional to 19,534.50 and 42,036.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,534.50 : 42,036.75 = 42,036.75 : x
2. Step 2: Convert to fraction form
   19,534.50/42,036.75 = 42,036.75/x
3. Step 3: Cross multiply
   19,534.50x = 42,036.75 × 42,036.75
4. Step 4: Simplify right side
   19,534.50x = 1,767,088,350.56
5. Step 5: Solve for x
   x = 1,767,088,350.56/19,534.50
6. Step 6: Final answer
   x = 90,459.87