Finding the Third Proportional to 56,460 and 120,426

Step by Step Solution

1. Step 1: Write the proportion equation
   56,460 : 120,426 = 120,426 : x
2. Step 2: Convert to fraction form
   56,460/120,426 = 120,426/x
3. Step 3: Cross multiply
   56,460x = 120,426 × 120,426
4. Step 4: Simplify right side
   56,460x = 14,502,421,476
5. Step 5: Solve for x
   x = 14,502,421,476/56,460
6. Step 6: Final answer
   x = 256,861.88