Finding the Third Proportional to 589,725,400.50 and 1,279,692,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   589,725,400.50 : 1,279,692,661.50 = 1,279,692,661.50 : x
2. Step 2: Convert to fraction form
   589,725,400.50/1,279,692,661.50 = 1,279,692,661.50/x
3. Step 3: Cross multiply
   589,725,400.50x = 1,279,692,661.50 × 1,279,692,661.50
4. Step 4: Simplify right side
   589,725,400.50x = 1,637,613,307,896,953,600
5. Step 5: Solve for x
   x = 1,637,613,307,896,953,600/589,725,400.50
6. Step 6: Final answer
   x = 2,776,908,212.72