Finding the Third Proportional to 120,743,812 and 188,290,166

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743,812 : 188,290,166 = 188,290,166 : x
2. Step 2: Convert to fraction form
   120,743,812/188,290,166 = 188,290,166/x
3. Step 3: Cross multiply
   120,743,812x = 188,290,166 × 188,290,166
4. Step 4: Simplify right side
   120,743,812x = 35,453,186,612,307,556
5. Step 5: Solve for x
   x = 35,453,186,612,307,556/120,743,812
6. Step 6: Final answer
   x = 293,623,217.83