Finding the Third Proportional to 56,912 and 83,896

Step by Step Solution

1. Step 1: Write the proportion equation
   56,912 : 83,896 = 83,896 : x
2. Step 2: Convert to fraction form
   56,912/83,896 = 83,896/x
3. Step 3: Cross multiply
   56,912x = 83,896 × 83,896
4. Step 4: Simplify right side
   56,912x = 7,038,538,816
5. Step 5: Solve for x
   x = 7,038,538,816/56,912
6. Step 6: Final answer
   x = 123,674.07