Finding the Third Proportional to 2,531,582 and 5,157,172

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531,582 : 5,157,172 = 5,157,172 : x
2. Step 2: Convert to fraction form
   2,531,582/5,157,172 = 5,157,172/x
3. Step 3: Cross multiply
   2,531,582x = 5,157,172 × 5,157,172
4. Step 4: Simplify right side
   2,531,582x = 26,596,423,037,584
5. Step 5: Solve for x
   x = 26,596,423,037,584/2,531,582
6. Step 6: Final answer
   x = 10,505,850.90