Finding the Third Proportional to 3,574,557 and 7,778,106

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574,557 : 7,778,106 = 7,778,106 : x
2. Step 2: Convert to fraction form
   3,574,557/7,778,106 = 7,778,106/x
3. Step 3: Cross multiply
   3,574,557x = 7,778,106 × 7,778,106
4. Step 4: Simplify right side
   3,574,557x = 60,498,932,947,236
5. Step 5: Solve for x
   x = 60,498,932,947,236/3,574,557
6. Step 6: Final answer
   x = 16,924,875.71