Finding the Third Proportional to 39,789 and 59,784

Step by Step Solution

1. Step 1: Write the proportion equation
   39,789 : 59,784 = 59,784 : x
2. Step 2: Convert to fraction form
   39,789/59,784 = 59,784/x
3. Step 3: Cross multiply
   39,789x = 59,784 × 59,784
4. Step 4: Simplify right side
   39,789x = 3,574,126,656
5. Step 5: Solve for x
   x = 3,574,126,656/39,789
6. Step 6: Final answer
   x = 89,827.00