Finding the Third Proportional to 51,955.31 and 83,670.47

Step by Step Solution

1. Step 1: Write the proportion equation
   51,955.31 : 83,670.47 = 83,670.47 : x
2. Step 2: Convert to fraction form
   51,955.31/83,670.47 = 83,670.47/x
3. Step 3: Cross multiply
   51,955.31x = 83,670.47 × 83,670.47
4. Step 4: Simplify right side
   51,955.31x = 7,000,747,340.84
5. Step 5: Solve for x
   x = 7,000,747,340.84/51,955.31
6. Step 6: Final answer
   x = 134,745.55