Finding the Third Proportional to 43,122 and 58,254

Step by Step Solution

1. Step 1: Write the proportion equation
   43,122 : 58,254 = 58,254 : x
2. Step 2: Convert to fraction form
   43,122/58,254 = 58,254/x
3. Step 3: Cross multiply
   43,122x = 58,254 × 58,254
4. Step 4: Simplify right side
   43,122x = 3,393,528,516
5. Step 5: Solve for x
   x = 3,393,528,516/43,122
6. Step 6: Final answer
   x = 78,695.99