Finding the Third Proportional to 9,150,572 and 19,719,424

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150,572 : 19,719,424 = 19,719,424 : x
2. Step 2: Convert to fraction form
   9,150,572/19,719,424 = 19,719,424/x
3. Step 3: Cross multiply
   9,150,572x = 19,719,424 × 19,719,424
4. Step 4: Simplify right side
   9,150,572x = 388,855,682,891,776
5. Step 5: Solve for x
   x = 388,855,682,891,776/9,150,572
6. Step 6: Final answer
   x = 42,495,232.31