Finding the Third Proportional to 55,984,452 and 86,891,221

Step by Step Solution

1. Step 1: Write the proportion equation
   55,984,452 : 86,891,221 = 86,891,221 : x
2. Step 2: Convert to fraction form
   55,984,452/86,891,221 = 86,891,221/x
3. Step 3: Cross multiply
   55,984,452x = 86,891,221 × 86,891,221
4. Step 4: Simplify right side
   55,984,452x = 7,550,084,286,870,841
5. Step 5: Solve for x
   x = 7,550,084,286,870,841/55,984,452
6. Step 6: Final answer
   x = 134,860,376.71