Finding the Third Proportional to 18,463,512 and 42,739,686

Step by Step Solution

1. Step 1: Write the proportion equation
   18,463,512 : 42,739,686 = 42,739,686 : x
2. Step 2: Convert to fraction form
   18,463,512/42,739,686 = 42,739,686/x
3. Step 3: Cross multiply
   18,463,512x = 42,739,686 × 42,739,686
4. Step 4: Simplify right side
   18,463,512x = 1,826,680,759,378,596
5. Step 5: Solve for x
   x = 1,826,680,759,378,596/18,463,512
6. Step 6: Final answer
   x = 98,934,631.69