Finding the Third Proportional to 3,570,348 and 5,439,178

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570,348 : 5,439,178 = 5,439,178 : x
2. Step 2: Convert to fraction form
   3,570,348/5,439,178 = 5,439,178/x
3. Step 3: Cross multiply
   3,570,348x = 5,439,178 × 5,439,178
4. Step 4: Simplify right side
   3,570,348x = 29,584,657,315,684
5. Step 5: Solve for x
   x = 29,584,657,315,684/3,570,348
6. Step 6: Final answer
   x = 8,286,211.12