Finding the Third Proportional to 53,156 and 70,878

Step by Step Solution

1. Step 1: Write the proportion equation
   53,156 : 70,878 = 70,878 : x
2. Step 2: Convert to fraction form
   53,156/70,878 = 70,878/x
3. Step 3: Cross multiply
   53,156x = 70,878 × 70,878
4. Step 4: Simplify right side
   53,156x = 5,023,690,884
5. Step 5: Solve for x
   x = 5,023,690,884/53,156
6. Step 6: Final answer
   x = 94,508.44