Finding the Third Proportional to 60,819 and 90,984

Step by Step Solution

1. Step 1: Write the proportion equation
   60,819 : 90,984 = 90,984 : x
2. Step 2: Convert to fraction form
   60,819/90,984 = 90,984/x
3. Step 3: Cross multiply
   60,819x = 90,984 × 90,984
4. Step 4: Simplify right side
   60,819x = 8,278,088,256
5. Step 5: Solve for x
   x = 8,278,088,256/60,819
6. Step 6: Final answer
   x = 136,110.23