Finding the Third Proportional to 120,743,738 and 188,290,060

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743,738 : 188,290,060 = 188,290,060 : x
2. Step 2: Convert to fraction form
   120,743,738/188,290,060 = 188,290,060/x
3. Step 3: Cross multiply
   120,743,738x = 188,290,060 × 188,290,060
4. Step 4: Simplify right side
   120,743,738x = 35,453,146,694,803,600
5. Step 5: Solve for x
   x = 35,453,146,694,803,600/120,743,738
6. Step 6: Final answer
   x = 293,623,067.18