Finding the Third Proportional to 31,132 and 63,224

Step by Step Solution

1. Step 1: Write the proportion equation
   31,132 : 63,224 = 63,224 : x
2. Step 2: Convert to fraction form
   31,132/63,224 = 63,224/x
3. Step 3: Cross multiply
   31,132x = 63,224 × 63,224
4. Step 4: Simplify right side
   31,132x = 3,997,274,176
5. Step 5: Solve for x
   x = 3,997,274,176/31,132
6. Step 6: Final answer
   x = 128,397.60