Finding the Third Proportional to 259,817,646 and 538,052,016

Step by Step Solution

1. Step 1: Write the proportion equation
   259,817,646 : 538,052,016 = 538,052,016 : x
2. Step 2: Convert to fraction form
   259,817,646/538,052,016 = 538,052,016/x
3. Step 3: Cross multiply
   259,817,646x = 538,052,016 × 538,052,016
4. Step 4: Simplify right side
   259,817,646x = 289,499,971,921,664,256
5. Step 5: Solve for x
   x = 289,499,971,921,664,256/259,817,646
6. Step 6: Final answer
   x = 1,114,242,917.59