Finding the Third Proportional to 222,751,656 and 478,407,456

Step by Step Solution

1. Step 1: Write the proportion equation
   222,751,656 : 478,407,456 = 478,407,456 : x
2. Step 2: Convert to fraction form
   222,751,656/478,407,456 = 478,407,456/x
3. Step 3: Cross multiply
   222,751,656x = 478,407,456 × 478,407,456
4. Step 4: Simplify right side
   222,751,656x = 228,873,693,956,391,936
5. Step 5: Solve for x
   x = 228,873,693,956,391,936/222,751,656
6. Step 6: Final answer
   x = 1,027,483,692.23