Finding the Third Proportional to 105,969,948 and 143,129,789

Step by Step Solution

1. Step 1: Write the proportion equation
   105,969,948 : 143,129,789 = 143,129,789 : x
2. Step 2: Convert to fraction form
   105,969,948/143,129,789 = 143,129,789/x
3. Step 3: Cross multiply
   105,969,948x = 143,129,789 × 143,129,789
4. Step 4: Simplify right side
   105,969,948x = 20,486,136,499,184,520
5. Step 5: Solve for x
   x = 20,486,136,499,184,520/105,969,948
6. Step 6: Final answer
   x = 193,320,246.79