Finding the Third Proportional to 12,156,722 and 19,249,851

Step by Step Solution

1. Step 1: Write the proportion equation
   12,156,722 : 19,249,851 = 19,249,851 : x
2. Step 2: Convert to fraction form
   12,156,722/19,249,851 = 19,249,851/x
3. Step 3: Cross multiply
   12,156,722x = 19,249,851 × 19,249,851
4. Step 4: Simplify right side
   12,156,722x = 370,556,763,522,201
5. Step 5: Solve for x
   x = 370,556,763,522,201/12,156,722
6. Step 6: Final answer
   x = 30,481,635.06