Finding the Third Proportional to 42,471 and 59,409

Step by Step Solution

1. Step 1: Write the proportion equation
   42,471 : 59,409 = 59,409 : x
2. Step 2: Convert to fraction form
   42,471/59,409 = 59,409/x
3. Step 3: Cross multiply
   42,471x = 59,409 × 59,409
4. Step 4: Simplify right side
   42,471x = 3,529,429,281
5. Step 5: Solve for x
   x = 3,529,429,281/42,471
6. Step 6: Final answer
   x = 83,102.10