Finding the Third Proportional to 90,874,530 and 195,605,892

Step by Step Solution

1. Step 1: Write the proportion equation
   90,874,530 : 195,605,892 = 195,605,892 : x
2. Step 2: Convert to fraction form
   90,874,530/195,605,892 = 195,605,892/x
3. Step 3: Cross multiply
   90,874,530x = 195,605,892 × 195,605,892
4. Step 4: Simplify right side
   90,874,530x = 38,261,664,985,115,664
5. Step 5: Solve for x
   x = 38,261,664,985,115,664/90,874,530
6. Step 6: Final answer
   x = 421,038,381.00