Finding the Third Proportional to 8,886,105,649 and 18,507,709,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886,105,649 : 18,507,709,030.50 = 18,507,709,030.50 : x
2. Step 2: Convert to fraction form
   8,886,105,649/18,507,709,030.50 = 18,507,709,030.50/x
3. Step 3: Cross multiply
   8,886,105,649x = 18,507,709,030.50 × 18,507,709,030.50
4. Step 4: Simplify right side
   8,886,105,649x = 342,535,293,557,651,275,776
5. Step 5: Solve for x
   x = 342,535,293,557,651,275,776/8,886,105,649
6. Step 6: Final answer
   x = 38,547,290,240.26