Finding the Third Proportional to 1,011,663 and 2,116,854

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,663 : 2,116,854 = 2,116,854 : x
2. Step 2: Convert to fraction form
   1,011,663/2,116,854 = 2,116,854/x
3. Step 3: Cross multiply
   1,011,663x = 2,116,854 × 2,116,854
4. Step 4: Simplify right side
   1,011,663x = 4,481,070,857,316
5. Step 5: Solve for x
   x = 4,481,070,857,316/1,011,663
6. Step 6: Final answer
   x = 4,429,410.64