Finding the Third Proportional to 1,156,686 and 2,506,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,686 : 2,506,410 = 2,506,410 : x
2. Step 2: Convert to fraction form
   1,156,686/2,506,410 = 2,506,410/x
3. Step 3: Cross multiply
   1,156,686x = 2,506,410 × 2,506,410
4. Step 4: Simplify right side
   1,156,686x = 6,282,091,088,100
5. Step 5: Solve for x
   x = 6,282,091,088,100/1,156,686
6. Step 6: Final answer
   x = 5,431,111.89