Finding the Third Proportional to 54,790,144 and 82,257,300

Step by Step Solution

1. Step 1: Write the proportion equation
   54,790,144 : 82,257,300 = 82,257,300 : x
2. Step 2: Convert to fraction form
   54,790,144/82,257,300 = 82,257,300/x
3. Step 3: Cross multiply
   54,790,144x = 82,257,300 × 82,257,300
4. Step 4: Simplify right side
   54,790,144x = 6,766,263,403,290,000
5. Step 5: Solve for x
   x = 6,766,263,403,290,000/54,790,144
6. Step 6: Final answer
   x = 123,494,170.84