Finding the Third Proportional to 28,716,780 and 61,470,155

Step by Step Solution

1. Step 1: Write the proportion equation
   28,716,780 : 61,470,155 = 61,470,155 : x
2. Step 2: Convert to fraction form
   28,716,780/61,470,155 = 61,470,155/x
3. Step 3: Cross multiply
   28,716,780x = 61,470,155 × 61,470,155
4. Step 4: Simplify right side
   28,716,780x = 3,778,579,955,724,025
5. Step 5: Solve for x
   x = 3,778,579,955,724,025/28,716,780
6. Step 6: Final answer
   x = 131,580,906.90