Finding the Third Proportional to 175,064 and 422,060

Step by Step Solution

1. Step 1: Write the proportion equation
   175,064 : 422,060 = 422,060 : x
2. Step 2: Convert to fraction form
   175,064/422,060 = 422,060/x
3. Step 3: Cross multiply
   175,064x = 422,060 × 422,060
4. Step 4: Simplify right side
   175,064x = 178,134,643,600
5. Step 5: Solve for x
   x = 178,134,643,600/175,064
6. Step 6: Final answer
   x = 1,017,540.12