Finding the Third Proportional to 79,448 and 174,070

Step by Step Solution

1. Step 1: Write the proportion equation
   79,448 : 174,070 = 174,070 : x
2. Step 2: Convert to fraction form
   79,448/174,070 = 174,070/x
3. Step 3: Cross multiply
   79,448x = 174,070 × 174,070
4. Step 4: Simplify right side
   79,448x = 30,300,364,900
5. Step 5: Solve for x
   x = 30,300,364,900/79,448
6. Step 6: Final answer
   x = 381,386.13