Finding the Third Proportional to 60,456 and 90,736

Step by Step Solution

1. Step 1: Write the proportion equation
   60,456 : 90,736 = 90,736 : x
2. Step 2: Convert to fraction form
   60,456/90,736 = 90,736/x
3. Step 3: Cross multiply
   60,456x = 90,736 × 90,736
4. Step 4: Simplify right side
   60,456x = 8,233,021,696
5. Step 5: Solve for x
   x = 8,233,021,696/60,456
6. Step 6: Final answer
   x = 136,182.04