Finding the Third Proportional to 56,788 and 120,860

Step by Step Solution

1. Step 1: Write the proportion equation
   56,788 : 120,860 = 120,860 : x
2. Step 2: Convert to fraction form
   56,788/120,860 = 120,860/x
3. Step 3: Cross multiply
   56,788x = 120,860 × 120,860
4. Step 4: Simplify right side
   56,788x = 14,607,139,600
5. Step 5: Solve for x
   x = 14,607,139,600/56,788
6. Step 6: Final answer
   x = 257,222.29