Finding the Third Proportional to 56,861 and 88,997

Step by Step Solution

1. Step 1: Write the proportion equation
   56,861 : 88,997 = 88,997 : x
2. Step 2: Convert to fraction form
   56,861/88,997 = 88,997/x
3. Step 3: Cross multiply
   56,861x = 88,997 × 88,997
4. Step 4: Simplify right side
   56,861x = 7,920,466,009
5. Step 5: Solve for x
   x = 7,920,466,009/56,861
6. Step 6: Final answer
   x = 139,295.23