Finding the Third Proportional to 120,743,869.50 and 188,290,260

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743,869.50 : 188,290,260 = 188,290,260 : x
2. Step 2: Convert to fraction form
   120,743,869.50/188,290,260 = 188,290,260/x
3. Step 3: Cross multiply
   120,743,869.50x = 188,290,260 × 188,290,260
4. Step 4: Simplify right side
   120,743,869.50x = 35,453,222,010,867,600
5. Step 5: Solve for x
   x = 35,453,222,010,867,600/120,743,869.50
6. Step 6: Final answer
   x = 293,623,371.17