Finding the Third Proportional to 82,282,849 and 176,948,978

Step by Step Solution

1. Step 1: Write the proportion equation
   82,282,849 : 176,948,978 = 176,948,978 : x
2. Step 2: Convert to fraction form
   82,282,849/176,948,978 = 176,948,978/x
3. Step 3: Cross multiply
   82,282,849x = 176,948,978 × 176,948,978
4. Step 4: Simplify right side
   82,282,849x = 31,310,940,815,244,484
5. Step 5: Solve for x
   x = 31,310,940,815,244,484/82,282,849
6. Step 6: Final answer
   x = 380,528,156.18