Finding the Third Proportional to 105,970,036.50 and 143,129,907

Step by Step Solution

1. Step 1: Write the proportion equation
   105,970,036.50 : 143,129,907 = 143,129,907 : x
2. Step 2: Convert to fraction form
   105,970,036.50/143,129,907 = 143,129,907/x
3. Step 3: Cross multiply
   105,970,036.50x = 143,129,907 × 143,129,907
4. Step 4: Simplify right side
   105,970,036.50x = 20,486,170,277,828,648
5. Step 5: Solve for x
   x = 20,486,170,277,828,648/105,970,036.50
6. Step 6: Final answer
   x = 193,320,404.09