Finding the Third Proportional to 9,150,544 and 19,719,358

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150,544 : 19,719,358 = 19,719,358 : x
2. Step 2: Convert to fraction form
   9,150,544/19,719,358 = 19,719,358/x
3. Step 3: Cross multiply
   9,150,544x = 19,719,358 × 19,719,358
4. Step 4: Simplify right side
   9,150,544x = 388,853,079,932,164
5. Step 5: Solve for x
   x = 388,853,079,932,164/9,150,544
6. Step 6: Final answer
   x = 42,495,077.88