Finding the Third Proportional to 3,549,871 and 7,775,460

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549,871 : 7,775,460 = 7,775,460 : x
2. Step 2: Convert to fraction form
   3,549,871/7,775,460 = 7,775,460/x
3. Step 3: Cross multiply
   3,549,871x = 7,775,460 × 7,775,460
4. Step 4: Simplify right side
   3,549,871x = 60,457,778,211,600
5. Step 5: Solve for x
   x = 60,457,778,211,600/3,549,871
6. Step 6: Final answer
   x = 17,030,978.93