Finding the Third Proportional to 91,939,828 and 137,112,456

Step by Step Solution

1. Step 1: Write the proportion equation
   91,939,828 : 137,112,456 = 137,112,456 : x
2. Step 2: Convert to fraction form
   91,939,828/137,112,456 = 137,112,456/x
3. Step 3: Cross multiply
   91,939,828x = 137,112,456 × 137,112,456
4. Step 4: Simplify right side
   91,939,828x = 18,799,825,590,351,936
5. Step 5: Solve for x
   x = 18,799,825,590,351,936/91,939,828
6. Step 6: Final answer
   x = 204,479,668.92