Finding the Third Proportional to 56,079.84 and 86,198.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,079.84 : 86,198.34 = 86,198.34 : x
2. Step 2: Convert to fraction form
   56,079.84/86,198.34 = 86,198.34/x
3. Step 3: Cross multiply
   56,079.84x = 86,198.34 × 86,198.34
4. Step 4: Simplify right side
   56,079.84x = 7,430,154,465.24
5. Step 5: Solve for x
   x = 7,430,154,465.24/56,079.84
6. Step 6: Final answer
   x = 132,492.42