Finding the Third Proportional to 1,486,116 and 2,156,598

Step by Step Solution

1. Step 1: Write the proportion equation
   1,486,116 : 2,156,598 = 2,156,598 : x
2. Step 2: Convert to fraction form
   1,486,116/2,156,598 = 2,156,598/x
3. Step 3: Cross multiply
   1,486,116x = 2,156,598 × 2,156,598
4. Step 4: Simplify right side
   1,486,116x = 4,650,914,933,604
5. Step 5: Solve for x
   x = 4,650,914,933,604/1,486,116
6. Step 6: Final answer
   x = 3,129,577.32