Finding the Third Proportional to 3,429,662 and 7,314,820

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429,662 : 7,314,820 = 7,314,820 : x
2. Step 2: Convert to fraction form
   3,429,662/7,314,820 = 7,314,820/x
3. Step 3: Cross multiply
   3,429,662x = 7,314,820 × 7,314,820
4. Step 4: Simplify right side
   3,429,662x = 53,506,591,632,400
5. Step 5: Solve for x
   x = 53,506,591,632,400/3,429,662
6. Step 6: Final answer
   x = 15,601,126.77