Finding the Third Proportional to 27,978.75 and 42,241.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,978.75 : 42,241.50 = 42,241.50 : x
2. Step 2: Convert to fraction form
   27,978.75/42,241.50 = 42,241.50/x
3. Step 3: Cross multiply
   27,978.75x = 42,241.50 × 42,241.50
4. Step 4: Simplify right side
   27,978.75x = 1,784,344,322.25
5. Step 5: Solve for x
   x = 1,784,344,322.25/27,978.75
6. Step 6: Final answer
   x = 63,774.98