Finding the Third Proportional to 57,112 and 90,948

Step by Step Solution

1. Step 1: Write the proportion equation
   57,112 : 90,948 = 90,948 : x
2. Step 2: Convert to fraction form
   57,112/90,948 = 90,948/x
3. Step 3: Cross multiply
   57,112x = 90,948 × 90,948
4. Step 4: Simplify right side
   57,112x = 8,271,538,704
5. Step 5: Solve for x
   x = 8,271,538,704/57,112
6. Step 6: Final answer
   x = 144,830.14