Finding the Third Proportional to 3,490,600 and 5,120,988

Step by Step Solution

1. Step 1: Write the proportion equation
   3,490,600 : 5,120,988 = 5,120,988 : x
2. Step 2: Convert to fraction form
   3,490,600/5,120,988 = 5,120,988/x
3. Step 3: Cross multiply
   3,490,600x = 5,120,988 × 5,120,988
4. Step 4: Simplify right side
   3,490,600x = 26,224,518,096,144
5. Step 5: Solve for x
   x = 26,224,518,096,144/3,490,600
6. Step 6: Final answer
   x = 7,512,896.95