Finding the Third Proportional to 56,868 and 89,034

Step by Step Solution

1. Step 1: Write the proportion equation
   56,868 : 89,034 = 89,034 : x
2. Step 2: Convert to fraction form
   56,868/89,034 = 89,034/x
3. Step 3: Cross multiply
   56,868x = 89,034 × 89,034
4. Step 4: Simplify right side
   56,868x = 7,927,053,156
5. Step 5: Solve for x
   x = 7,927,053,156/56,868
6. Step 6: Final answer
   x = 139,393.91