Finding the Third Proportional to 23,121,768 and 53,543,144

Step by Step Solution

1. Step 1: Write the proportion equation
   23,121,768 : 53,543,144 = 53,543,144 : x
2. Step 2: Convert to fraction form
   23,121,768/53,543,144 = 53,543,144/x
3. Step 3: Cross multiply
   23,121,768x = 53,543,144 × 53,543,144
4. Step 4: Simplify right side
   23,121,768x = 2,866,868,269,404,736
5. Step 5: Solve for x
   x = 2,866,868,269,404,736/23,121,768
6. Step 6: Final answer
   x = 123,990,011.03