Finding the Third Proportional to 120,743,869 and 188,290,238

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743,869 : 188,290,238 = 188,290,238 : x
2. Step 2: Convert to fraction form
   120,743,869/188,290,238 = 188,290,238/x
3. Step 3: Cross multiply
   120,743,869x = 188,290,238 × 188,290,238
4. Step 4: Simplify right side
   120,743,869x = 35,453,213,726,096,644
5. Step 5: Solve for x
   x = 35,453,213,726,096,644/120,743,869
6. Step 6: Final answer
   x = 293,623,303.77