Finding the Third Proportional to 56,322.84 and 87,715.41

Step by Step Solution

1. Step 1: Write the proportion equation
   56,322.84 : 87,715.41 = 87,715.41 : x
2. Step 2: Convert to fraction form
   56,322.84/87,715.41 = 87,715.41/x
3. Step 3: Cross multiply
   56,322.84x = 87,715.41 × 87,715.41
4. Step 4: Simplify right side
   56,322.84x = 7,693,992,493.60
5. Step 5: Solve for x
   x = 7,693,992,493.60/56,322.84
6. Step 6: Final answer
   x = 136,605.19