Finding the Third Proportional to 55,321,676 and 81,188,900

Step by Step Solution

1. Step 1: Write the proportion equation
   55,321,676 : 81,188,900 = 81,188,900 : x
2. Step 2: Convert to fraction form
   55,321,676/81,188,900 = 81,188,900/x
3. Step 3: Cross multiply
   55,321,676x = 81,188,900 × 81,188,900
4. Step 4: Simplify right side
   55,321,676x = 6,591,637,483,210,000
5. Step 5: Solve for x
   x = 6,591,637,483,210,000/55,321,676
6. Step 6: Final answer
   x = 119,151,080.73