Finding the Third Proportional to 215,622,984 and 352,055,710

Step by Step Solution

1. Step 1: Write the proportion equation
   215,622,984 : 352,055,710 = 352,055,710 : x
2. Step 2: Convert to fraction form
   215,622,984/352,055,710 = 352,055,710/x
3. Step 3: Cross multiply
   215,622,984x = 352,055,710 × 352,055,710
4. Step 4: Simplify right side
   215,622,984x = 123,943,222,943,604,096
5. Step 5: Solve for x
   x = 123,943,222,943,604,096/215,622,984
6. Step 6: Final answer
   x = 574,814,524.15