Finding the Third Proportional to 3,574,234 and 7,830,770

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574,234 : 7,830,770 = 7,830,770 : x
2. Step 2: Convert to fraction form
   3,574,234/7,830,770 = 7,830,770/x
3. Step 3: Cross multiply
   3,574,234x = 7,830,770 × 7,830,770
4. Step 4: Simplify right side
   3,574,234x = 61,320,958,792,900
5. Step 5: Solve for x
   x = 61,320,958,792,900/3,574,234
6. Step 6: Final answer
   x = 17,156,391.77