Finding the Third Proportional to 553,575 and 1,210,908

Step by Step Solution

1. Step 1: Write the proportion equation
   553,575 : 1,210,908 = 1,210,908 : x
2. Step 2: Convert to fraction form
   553,575/1,210,908 = 1,210,908/x
3. Step 3: Cross multiply
   553,575x = 1,210,908 × 1,210,908
4. Step 4: Simplify right side
   553,575x = 1,466,298,184,464
5. Step 5: Solve for x
   x = 1,466,298,184,464/553,575
6. Step 6: Final answer
   x = 2,648,779.63