Finding the Third Proportional to 3,153,364 and 6,917,156

Step by Step Solution

1. Step 1: Write the proportion equation
   3,153,364 : 6,917,156 = 6,917,156 : x
2. Step 2: Convert to fraction form
   3,153,364/6,917,156 = 6,917,156/x
3. Step 3: Cross multiply
   3,153,364x = 6,917,156 × 6,917,156
4. Step 4: Simplify right side
   3,153,364x = 47,847,047,128,336
5. Step 5: Solve for x
   x = 47,847,047,128,336/3,153,364
6. Step 6: Final answer
   x = 15,173,334.61