Finding the Third Proportional to 60,456 and 90,738

Step by Step Solution

1. Step 1: Write the proportion equation
   60,456 : 90,738 = 90,738 : x
2. Step 2: Convert to fraction form
   60,456/90,738 = 90,738/x
3. Step 3: Cross multiply
   60,456x = 90,738 × 90,738
4. Step 4: Simplify right side
   60,456x = 8,233,384,644
5. Step 5: Solve for x
   x = 8,233,384,644/60,456
6. Step 6: Final answer
   x = 136,188.05