Finding the Third Proportional to 1,121,547 and 1,681,908

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,547 : 1,681,908 = 1,681,908 : x
2. Step 2: Convert to fraction form
   1,121,547/1,681,908 = 1,681,908/x
3. Step 3: Cross multiply
   1,121,547x = 1,681,908 × 1,681,908
4. Step 4: Simplify right side
   1,121,547x = 2,828,814,520,464
5. Step 5: Solve for x
   x = 2,828,814,520,464/1,121,547
6. Step 6: Final answer
   x = 2,522,243.40