Finding the Third Proportional to 945,680 and 1,415,178

Step by Step Solution

1. Step 1: Write the proportion equation
   945,680 : 1,415,178 = 1,415,178 : x
2. Step 2: Convert to fraction form
   945,680/1,415,178 = 1,415,178/x
3. Step 3: Cross multiply
   945,680x = 1,415,178 × 1,415,178
4. Step 4: Simplify right side
   945,680x = 2,002,728,771,684
5. Step 5: Solve for x
   x = 2,002,728,771,684/945,680
6. Step 6: Final answer
   x = 2,117,765.81