Finding the Third Proportional to 64,152 and 142,074

Step by Step Solution

1. Step 1: Write the proportion equation
   64,152 : 142,074 = 142,074 : x
2. Step 2: Convert to fraction form
   64,152/142,074 = 142,074/x
3. Step 3: Cross multiply
   64,152x = 142,074 × 142,074
4. Step 4: Simplify right side
   64,152x = 20,185,021,476
5. Step 5: Solve for x
   x = 20,185,021,476/64,152
6. Step 6: Final answer
   x = 314,643.68