Finding the Third Proportional to 191,923,330 and 417,922,820

Step by Step Solution

1. Step 1: Write the proportion equation
   191,923,330 : 417,922,820 = 417,922,820 : x
2. Step 2: Convert to fraction form
   191,923,330/417,922,820 = 417,922,820/x
3. Step 3: Cross multiply
   191,923,330x = 417,922,820 × 417,922,820
4. Step 4: Simplify right side
   191,923,330x = 174,659,483,476,752,384
5. Step 5: Solve for x
   x = 174,659,483,476,752,384/191,923,330
6. Step 6: Final answer
   x = 910,048,212.88