Finding the Third Proportional to 300,753,122 and 478,557,333

Step by Step Solution

1. Step 1: Write the proportion equation
   300,753,122 : 478,557,333 = 478,557,333 : x
2. Step 2: Convert to fraction form
   300,753,122/478,557,333 = 478,557,333/x
3. Step 3: Cross multiply
   300,753,122x = 478,557,333 × 478,557,333
4. Step 4: Simplify right side
   300,753,122x = 229,017,120,968,072,896
5. Step 5: Solve for x
   x = 229,017,120,968,072,896/300,753,122
6. Step 6: Final answer
   x = 761,478,781.82