Finding the Third Proportional to 120,743,880 and 188,290,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   120,743,880 : 188,290,279.50 = 188,290,279.50 : x
2. Step 2: Convert to fraction form
   120,743,880/188,290,279.50 = 188,290,279.50/x
3. Step 3: Cross multiply
   120,743,880x = 188,290,279.50 × 188,290,279.50
4. Step 4: Simplify right side
   120,743,880x = 35,453,229,354,188,120
5. Step 5: Solve for x
   x = 35,453,229,354,188,120/120,743,880
6. Step 6: Final answer
   x = 293,623,406.45