Finding the Third Proportional to 191,055,774 and 414,549,132

Step by Step Solution

1. Step 1: Write the proportion equation
   191,055,774 : 414,549,132 = 414,549,132 : x
2. Step 2: Convert to fraction form
   191,055,774/414,549,132 = 414,549,132/x
3. Step 3: Cross multiply
   191,055,774x = 414,549,132 × 414,549,132
4. Step 4: Simplify right side
   191,055,774x = 171,850,982,841,953,408
5. Step 5: Solve for x
   x = 171,850,982,841,953,408/191,055,774
6. Step 6: Final answer
   x = 899,480,707.88