Finding the Third Proportional to 56,628.56 and 84,938.06

Step by Step Solution

1. Step 1: Write the proportion equation
   56,628.56 : 84,938.06 = 84,938.06 : x
2. Step 2: Convert to fraction form
   56,628.56/84,938.06 = 84,938.06/x
3. Step 3: Cross multiply
   56,628.56x = 84,938.06 × 84,938.06
4. Step 4: Simplify right side
   56,628.56x = 7,214,474,461.25
5. Step 5: Solve for x
   x = 7,214,474,461.25/56,628.56
6. Step 6: Final answer
   x = 127,399.92