Finding the Third Proportional to 53,892.84 and 81,587.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,892.84 : 81,587.25 = 81,587.25 : x
2. Step 2: Convert to fraction form
   53,892.84/81,587.25 = 81,587.25/x
3. Step 3: Cross multiply
   53,892.84x = 81,587.25 × 81,587.25
4. Step 4: Simplify right side
   53,892.84x = 6,656,479,362.56
5. Step 5: Solve for x
   x = 6,656,479,362.56/53,892.84
6. Step 6: Final answer
   x = 123,513.23