Finding the Third Proportional to 120,743,916 and 188,290,323

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743,916 : 188,290,323 = 188,290,323 : x
2. Step 2: Convert to fraction form
   120,743,916/188,290,323 = 188,290,323/x
3. Step 3: Cross multiply
   120,743,916x = 188,290,323 × 188,290,323
4. Step 4: Simplify right side
   120,743,916x = 35,453,245,735,444,328
5. Step 5: Solve for x
   x = 35,453,245,735,444,328/120,743,916
6. Step 6: Final answer
   x = 293,623,454.58