Finding the Third Proportional to 123,064 and 189,060

Step by Step Solution

1. Step 1: Write the proportion equation
   123,064 : 189,060 = 189,060 : x
2. Step 2: Convert to fraction form
   123,064/189,060 = 189,060/x
3. Step 3: Cross multiply
   123,064x = 189,060 × 189,060
4. Step 4: Simplify right side
   123,064x = 35,743,683,600
5. Step 5: Solve for x
   x = 35,743,683,600/123,064
6. Step 6: Final answer
   x = 290,447.93