Finding the Third Proportional to 3,486,140 and 7,551,168

Step by Step Solution

1. Step 1: Write the proportion equation
   3,486,140 : 7,551,168 = 7,551,168 : x
2. Step 2: Convert to fraction form
   3,486,140/7,551,168 = 7,551,168/x
3. Step 3: Cross multiply
   3,486,140x = 7,551,168 × 7,551,168
4. Step 4: Simplify right side
   3,486,140x = 57,020,138,164,224
5. Step 5: Solve for x
   x = 57,020,138,164,224/3,486,140
6. Step 6: Final answer
   x = 16,356,238.75