Finding the Third Proportional to 91,939,869 and 137,112,507

Step by Step Solution

1. Step 1: Write the proportion equation
   91,939,869 : 137,112,507 = 137,112,507 : x
2. Step 2: Convert to fraction form
   91,939,869/137,112,507 = 137,112,507/x
3. Step 3: Cross multiply
   91,939,869x = 137,112,507 × 137,112,507
4. Step 4: Simplify right side
   91,939,869x = 18,799,839,575,825,048
5. Step 5: Solve for x
   x = 18,799,839,575,825,048/91,939,869
6. Step 6: Final answer
   x = 204,479,729.85