Finding the Third Proportional to 56,906.25 and 81,969.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,906.25 : 81,969.75 = 81,969.75 : x
2. Step 2: Convert to fraction form
   56,906.25/81,969.75 = 81,969.75/x
3. Step 3: Cross multiply
   56,906.25x = 81,969.75 × 81,969.75
4. Step 4: Simplify right side
   56,906.25x = 6,719,039,915.06
5. Step 5: Solve for x
   x = 6,719,039,915.06/56,906.25
6. Step 6: Final answer
   x = 118,072.09