Finding the Third Proportional to 3,578,312 and 7,724,048

Step by Step Solution

1. Step 1: Write the proportion equation
   3,578,312 : 7,724,048 = 7,724,048 : x
2. Step 2: Convert to fraction form
   3,578,312/7,724,048 = 7,724,048/x
3. Step 3: Cross multiply
   3,578,312x = 7,724,048 × 7,724,048
4. Step 4: Simplify right side
   3,578,312x = 59,660,917,506,304
5. Step 5: Solve for x
   x = 59,660,917,506,304/3,578,312
6. Step 6: Final answer
   x = 16,672,922.18