Finding the Third Proportional to 557,839,300.50 and 1,216,121,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   557,839,300.50 : 1,216,121,091.50 = 1,216,121,091.50 : x
2. Step 2: Convert to fraction form
   557,839,300.50/1,216,121,091.50 = 1,216,121,091.50/x
3. Step 3: Cross multiply
   557,839,300.50x = 1,216,121,091.50 × 1,216,121,091.50
4. Step 4: Simplify right side
   557,839,300.50x = 1,478,950,509,191,151,360
5. Step 5: Solve for x
   x = 1,478,950,509,191,151,360/557,839,300.50
6. Step 6: Final answer
   x = 2,651,212,469.01