Finding the Third Proportional to 56,520 and 88,196

Step by Step Solution

1. Step 1: Write the proportion equation
   56,520 : 88,196 = 88,196 : x
2. Step 2: Convert to fraction form
   56,520/88,196 = 88,196/x
3. Step 3: Cross multiply
   56,520x = 88,196 × 88,196
4. Step 4: Simplify right side
   56,520x = 7,778,534,416
5. Step 5: Solve for x
   x = 7,778,534,416/56,520
6. Step 6: Final answer
   x = 137,624.46