Finding the Third Proportional to 3,429,064 and 7,374,260

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429,064 : 7,374,260 = 7,374,260 : x
2. Step 2: Convert to fraction form
   3,429,064/7,374,260 = 7,374,260/x
3. Step 3: Cross multiply
   3,429,064x = 7,374,260 × 7,374,260
4. Step 4: Simplify right side
   3,429,064x = 54,379,710,547,600
5. Step 5: Solve for x
   x = 54,379,710,547,600/3,429,064
6. Step 6: Final answer
   x = 15,858,470.58