Finding the Third Proportional to 3,578,976 and 7,838,352

Step by Step Solution

1. Step 1: Write the proportion equation
   3,578,976 : 7,838,352 = 7,838,352 : x
2. Step 2: Convert to fraction form
   3,578,976/7,838,352 = 7,838,352/x
3. Step 3: Cross multiply
   3,578,976x = 7,838,352 × 7,838,352
4. Step 4: Simplify right side
   3,578,976x = 61,439,762,075,904
5. Step 5: Solve for x
   x = 61,439,762,075,904/3,578,976
6. Step 6: Final answer
   x = 17,166,855.01