Finding the Third Proportional to 61,182 and 89,407

Step by Step Solution

1. Step 1: Write the proportion equation
   61,182 : 89,407 = 89,407 : x
2. Step 2: Convert to fraction form
   61,182/89,407 = 89,407/x
3. Step 3: Cross multiply
   61,182x = 89,407 × 89,407
4. Step 4: Simplify right side
   61,182x = 7,993,611,649
5. Step 5: Solve for x
   x = 7,993,611,649/61,182
6. Step 6: Final answer
   x = 130,653.00