Finding the Third Proportional to 89,459,916 and 195,669,300

Step by Step Solution

1. Step 1: Write the proportion equation
   89,459,916 : 195,669,300 = 195,669,300 : x
2. Step 2: Convert to fraction form
   89,459,916/195,669,300 = 195,669,300/x
3. Step 3: Cross multiply
   89,459,916x = 195,669,300 × 195,669,300
4. Step 4: Simplify right side
   89,459,916x = 38,286,474,962,490,000
5. Step 5: Solve for x
   x = 38,286,474,962,490,000/89,459,916
6. Step 6: Final answer
   x = 427,973,517.91