Finding the Third Proportional to 134,261,035.31 and 289,181,017.69

Step by Step Solution

1. Step 1: Write the proportion equation
   134,261,035.31 : 289,181,017.69 = 289,181,017.69 : x
2. Step 2: Convert to fraction form
   134,261,035.31/289,181,017.69 = 289,181,017.69/x
3. Step 3: Cross multiply
   134,261,035.31x = 289,181,017.69 × 289,181,017.69
4. Step 4: Simplify right side
   134,261,035.31x = 83,625,660,990,778,192
5. Step 5: Solve for x
   x = 83,625,660,990,778,192/134,261,035.31
6. Step 6: Final answer
   x = 622,858,752.70