Finding the Third Proportional to 56,572 and 111,715

Step by Step Solution

1. Step 1: Write the proportion equation
   56,572 : 111,715 = 111,715 : x
2. Step 2: Convert to fraction form
   56,572/111,715 = 111,715/x
3. Step 3: Cross multiply
   56,572x = 111,715 × 111,715
4. Step 4: Simplify right side
   56,572x = 12,480,241,225
5. Step 5: Solve for x
   x = 12,480,241,225/56,572
6. Step 6: Final answer
   x = 220,608.10