Finding the Third Proportional to 1,357,466 and 2,680,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,466 : 2,680,658 = 2,680,658 : x
2. Step 2: Convert to fraction form
   1,357,466/2,680,658 = 2,680,658/x
3. Step 3: Cross multiply
   1,357,466x = 2,680,658 × 2,680,658
4. Step 4: Simplify right side
   1,357,466x = 7,185,927,312,964
5. Step 5: Solve for x
   x = 7,185,927,312,964/1,357,466
6. Step 6: Final answer
   x = 5,293,633.37