Finding the Third Proportional to 42,365.53 and 90,360.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,365.53 : 90,360.56 = 90,360.56 : x
2. Step 2: Convert to fraction form
   42,365.53/90,360.56 = 90,360.56/x
3. Step 3: Cross multiply
   42,365.53x = 90,360.56 × 90,360.56
4. Step 4: Simplify right side
   42,365.53x = 8,165,031,255.32
5. Step 5: Solve for x
   x = 8,165,031,255.32/42,365.53
6. Step 6: Final answer
   x = 192,728.17