Finding the Third Proportional to 1,406,526 and 2,179,287

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,526 : 2,179,287 = 2,179,287 : x
2. Step 2: Convert to fraction form
   1,406,526/2,179,287 = 2,179,287/x
3. Step 3: Cross multiply
   1,406,526x = 2,179,287 × 2,179,287
4. Step 4: Simplify right side
   1,406,526x = 4,749,291,828,369
5. Step 5: Solve for x
   x = 4,749,291,828,369/1,406,526
6. Step 6: Final answer
   x = 3,376,611.47