Finding the Third Proportional to 120,743,766 and 188,290,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743,766 : 188,290,099.50 = 188,290,099.50 : x
2. Step 2: Convert to fraction form
   120,743,766/188,290,099.50 = 188,290,099.50/x
3. Step 3: Cross multiply
   120,743,766x = 188,290,099.50 × 188,290,099.50
4. Step 4: Simplify right side
   120,743,766x = 35,453,161,569,719,900
5. Step 5: Solve for x
   x = 35,453,161,569,719,900/120,743,766
6. Step 6: Final answer
   x = 293,623,122.29