Finding the Third Proportional to 72,011.25 and 112,968

Step by Step Solution

1. Step 1: Write the proportion equation
   72,011.25 : 112,968 = 112,968 : x
2. Step 2: Convert to fraction form
   72,011.25/112,968 = 112,968/x
3. Step 3: Cross multiply
   72,011.25x = 112,968 × 112,968
4. Step 4: Simplify right side
   72,011.25x = 12,761,769,024
5. Step 5: Solve for x
   x = 12,761,769,024/72,011.25
6. Step 6: Final answer
   x = 177,219.10