Finding the Third Proportional to 56,591,648 and 121,250,870

Step by Step Solution

1. Step 1: Write the proportion equation
   56,591,648 : 121,250,870 = 121,250,870 : x
2. Step 2: Convert to fraction form
   56,591,648/121,250,870 = 121,250,870/x
3. Step 3: Cross multiply
   56,591,648x = 121,250,870 × 121,250,870
4. Step 4: Simplify right side
   56,591,648x = 14,701,773,475,756,900
5. Step 5: Solve for x
   x = 14,701,773,475,756,900/56,591,648
6. Step 6: Final answer
   x = 259,786,982.63