Finding the Third Proportional to 38,456 and 56,788

Step by Step Solution

1. Step 1: Write the proportion equation
   38,456 : 56,788 = 56,788 : x
2. Step 2: Convert to fraction form
   38,456/56,788 = 56,788/x
3. Step 3: Cross multiply
   38,456x = 56,788 × 56,788
4. Step 4: Simplify right side
   38,456x = 3,224,876,944
5. Step 5: Solve for x
   x = 3,224,876,944/38,456
6. Step 6: Final answer
   x = 83,858.88