Finding the Third Proportional to 89,459,894 and 195,669,256

Step by Step Solution

1. Step 1: Write the proportion equation
   89,459,894 : 195,669,256 = 195,669,256 : x
2. Step 2: Convert to fraction form
   89,459,894/195,669,256 = 195,669,256/x
3. Step 3: Cross multiply
   89,459,894x = 195,669,256 × 195,669,256
4. Step 4: Simplify right side
   89,459,894x = 38,286,457,743,593,536
5. Step 5: Solve for x
   x = 38,286,457,743,593,536/89,459,894
6. Step 6: Final answer
   x = 427,973,430.68