Finding the Third Proportional to 42,247,763 and 89,034,919

Step by Step Solution

1. Step 1: Write the proportion equation
   42,247,763 : 89,034,919 = 89,034,919 : x
2. Step 2: Convert to fraction form
   42,247,763/89,034,919 = 89,034,919/x
3. Step 3: Cross multiply
   42,247,763x = 89,034,919 × 89,034,919
4. Step 4: Simplify right side
   42,247,763x = 7,927,216,801,336,561
5. Step 5: Solve for x
   x = 7,927,216,801,336,561/42,247,763
6. Step 6: Final answer
   x = 187,636,367.90