Finding the Third Proportional to 35,156,928 and 77,121,162

Step by Step Solution

1. Step 1: Write the proportion equation
   35,156,928 : 77,121,162 = 77,121,162 : x
2. Step 2: Convert to fraction form
   35,156,928/77,121,162 = 77,121,162/x
3. Step 3: Cross multiply
   35,156,928x = 77,121,162 × 77,121,162
4. Step 4: Simplify right side
   35,156,928x = 5,947,673,628,230,244
5. Step 5: Solve for x
   x = 5,947,673,628,230,244/35,156,928
6. Step 6: Final answer
   x = 169,175,009.50