Finding the Third Proportional to 19,479,381 and 30,280,089

Step by Step Solution

1. Step 1: Write the proportion equation
   19,479,381 : 30,280,089 = 30,280,089 : x
2. Step 2: Convert to fraction form
   19,479,381/30,280,089 = 30,280,089/x
3. Step 3: Cross multiply
   19,479,381x = 30,280,089 × 30,280,089
4. Step 4: Simplify right side
   19,479,381x = 916,883,789,847,921
5. Step 5: Solve for x
   x = 916,883,789,847,921/19,479,381
6. Step 6: Final answer
   x = 47,069,452.05