Finding the Third Proportional to 55,392 and 88,056

Step by Step Solution

1. Step 1: Write the proportion equation
   55,392 : 88,056 = 88,056 : x
2. Step 2: Convert to fraction form
   55,392/88,056 = 88,056/x
3. Step 3: Cross multiply
   55,392x = 88,056 × 88,056
4. Step 4: Simplify right side
   55,392x = 7,753,859,136
5. Step 5: Solve for x
   x = 7,753,859,136/55,392
6. Step 6: Final answer
   x = 139,981.57