Finding the Third Proportional to 3,429,660 and 7,314,816

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429,660 : 7,314,816 = 7,314,816 : x
2. Step 2: Convert to fraction form
   3,429,660/7,314,816 = 7,314,816/x
3. Step 3: Cross multiply
   3,429,660x = 7,314,816 × 7,314,816
4. Step 4: Simplify right side
   3,429,660x = 53,506,533,113,856
5. Step 5: Solve for x
   x = 53,506,533,113,856/3,429,660
6. Step 6: Final answer
   x = 15,601,118.80