Finding the Third Proportional to 2,174,878 and 5,117,532

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,878 : 5,117,532 = 5,117,532 : x
2. Step 2: Convert to fraction form
   2,174,878/5,117,532 = 5,117,532/x
3. Step 3: Cross multiply
   2,174,878x = 5,117,532 × 5,117,532
4. Step 4: Simplify right side
   2,174,878x = 26,189,133,771,024
5. Step 5: Solve for x
   x = 26,189,133,771,024/2,174,878
6. Step 6: Final answer
   x = 12,041,656.48