Finding the Third Proportional to 56,404.13 and 84,322.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,404.13 : 84,322.69 = 84,322.69 : x
2. Step 2: Convert to fraction form
   56,404.13/84,322.69 = 84,322.69/x
3. Step 3: Cross multiply
   56,404.13x = 84,322.69 × 84,322.69
4. Step 4: Simplify right side
   56,404.13x = 7,110,315,627.22
5. Step 5: Solve for x
   x = 7,110,315,627.22/56,404.13
6. Step 6: Final answer
   x = 126,060.21