Finding the Third Proportional to 52,865.63 and 81,984.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,865.63 : 81,984.38 = 81,984.38 : x
2. Step 2: Convert to fraction form
   52,865.63/81,984.38 = 81,984.38/x
3. Step 3: Cross multiply
   52,865.63x = 81,984.38 × 81,984.38
4. Step 4: Simplify right side
   52,865.63x = 6,721,437,744.14
5. Step 5: Solve for x
   x = 6,721,437,744.14/52,865.63
6. Step 6: Final answer
   x = 127,141.93