Finding the Third Proportional to 45,415.50 and 70,881

Step by Step Solution

1. Step 1: Write the proportion equation
   45,415.50 : 70,881 = 70,881 : x
2. Step 2: Convert to fraction form
   45,415.50/70,881 = 70,881/x
3. Step 3: Cross multiply
   45,415.50x = 70,881 × 70,881
4. Step 4: Simplify right side
   45,415.50x = 5,024,116,161
5. Step 5: Solve for x
   x = 5,024,116,161/45,415.50
6. Step 6: Final answer
   x = 110,625.58