Finding the Third Proportional to 54,922 and 88,431

Step by Step Solution

1. Step 1: Write the proportion equation
   54,922 : 88,431 = 88,431 : x
2. Step 2: Convert to fraction form
   54,922/88,431 = 88,431/x
3. Step 3: Cross multiply
   54,922x = 88,431 × 88,431
4. Step 4: Simplify right side
   54,922x = 7,820,041,761
5. Step 5: Solve for x
   x = 7,820,041,761/54,922
6. Step 6: Final answer
   x = 142,384.50