Finding the Third Proportional to 19,372.50 and 42,432.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,372.50 : 42,432.75 = 42,432.75 : x
2. Step 2: Convert to fraction form
   19,372.50/42,432.75 = 42,432.75/x
3. Step 3: Cross multiply
   19,372.50x = 42,432.75 × 42,432.75
4. Step 4: Simplify right side
   19,372.50x = 1,800,538,272.56
5. Step 5: Solve for x
   x = 1,800,538,272.56/19,372.50
6. Step 6: Final answer
   x = 92,943.00