Finding the Third Proportional to 766,641,611.25 and 1,667,606,013.56

Step by Step Solution

1. Step 1: Write the proportion equation
   766,641,611.25 : 1,667,606,013.56 = 1,667,606,013.56 : x
2. Step 2: Convert to fraction form
   766,641,611.25/1,667,606,013.56 = 1,667,606,013.56/x
3. Step 3: Cross multiply
   766,641,611.25x = 1,667,606,013.56 × 1,667,606,013.56
4. Step 4: Simplify right side
   766,641,611.25x = 2,780,909,816,469,812,736
5. Step 5: Solve for x
   x = 2,780,909,816,469,812,736/766,641,611.25
6. Step 6: Final answer
   x = 3,627,392,220.38