Finding the Third Proportional to 56,748 and 85,912

Step by Step Solution

1. Step 1: Write the proportion equation
   56,748 : 85,912 = 85,912 : x
2. Step 2: Convert to fraction form
   56,748/85,912 = 85,912/x
3. Step 3: Cross multiply
   56,748x = 85,912 × 85,912
4. Step 4: Simplify right side
   56,748x = 7,380,871,744
5. Step 5: Solve for x
   x = 7,380,871,744/56,748
6. Step 6: Final answer
   x = 130,064.00