Finding the Third Proportional to 57,477.09 and 87,457.22

Step by Step Solution

1. Step 1: Write the proportion equation
   57,477.09 : 87,457.22 = 87,457.22 : x
2. Step 2: Convert to fraction form
   57,477.09/87,457.22 = 87,457.22/x
3. Step 3: Cross multiply
   57,477.09x = 87,457.22 × 87,457.22
4. Step 4: Simplify right side
   57,477.09x = 7,648,765,111.49
5. Step 5: Solve for x
   x = 7,648,765,111.49/57,477.09
6. Step 6: Final answer
   x = 133,075.01