Finding the Third Proportional to 38,654 and 56,340

Step by Step Solution

1. Step 1: Write the proportion equation
   38,654 : 56,340 = 56,340 : x
2. Step 2: Convert to fraction form
   38,654/56,340 = 56,340/x
3. Step 3: Cross multiply
   38,654x = 56,340 × 56,340
4. Step 4: Simplify right side
   38,654x = 3,174,195,600
5. Step 5: Solve for x
   x = 3,174,195,600/38,654
6. Step 6: Final answer
   x = 82,118.17