Finding the Third Proportional to 42,180.75 and 61,296.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,180.75 : 61,296.75 = 61,296.75 : x
2. Step 2: Convert to fraction form
   42,180.75/61,296.75 = 61,296.75/x
3. Step 3: Cross multiply
   42,180.75x = 61,296.75 × 61,296.75
4. Step 4: Simplify right side
   42,180.75x = 3,757,291,560.56
5. Step 5: Solve for x
   x = 3,757,291,560.56/42,180.75
6. Step 6: Final answer
   x = 89,075.98