Finding the Third Proportional to 43,789 and 69,429

Step by Step Solution

1. Step 1: Write the proportion equation
   43,789 : 69,429 = 69,429 : x
2. Step 2: Convert to fraction form
   43,789/69,429 = 69,429/x
3. Step 3: Cross multiply
   43,789x = 69,429 × 69,429
4. Step 4: Simplify right side
   43,789x = 4,820,386,041
5. Step 5: Solve for x
   x = 4,820,386,041/43,789
6. Step 6: Final answer
   x = 110,082.12