Finding the Third Proportional to 34,639 and 55,784

Step by Step Solution

1. Step 1: Write the proportion equation
   34,639 : 55,784 = 55,784 : x
2. Step 2: Convert to fraction form
   34,639/55,784 = 55,784/x
3. Step 3: Cross multiply
   34,639x = 55,784 × 55,784
4. Step 4: Simplify right side
   34,639x = 3,111,854,656
5. Step 5: Solve for x
   x = 3,111,854,656/34,639
6. Step 6: Final answer
   x = 89,836.73