Finding the Third Proportional to 61,701,077,617 and 86,888,713,714

Step by Step Solution

1. Step 1: Write the proportion equation
   61,701,077,617 : 86,888,713,714 = 86,888,713,714 : x
2. Step 2: Convert to fraction form
   61,701,077,617/86,888,713,714 = 86,888,713,714/x
3. Step 3: Cross multiply
   61,701,077,617x = 86,888,713,714 × 86,888,713,714
4. Step 4: Simplify right side
   61,701,077,617x = 7,549,648,570,873,451,380,736
5. Step 5: Solve for x
   x = 7,549,648,570,873,451,380,736/61,701,077,617
6. Step 6: Final answer
   x = 122,358,455,677.82