Finding the Third Proportional to 553,827 and 1,210,160

Step by Step Solution

1. Step 1: Write the proportion equation
   553,827 : 1,210,160 = 1,210,160 : x
2. Step 2: Convert to fraction form
   553,827/1,210,160 = 1,210,160/x
3. Step 3: Cross multiply
   553,827x = 1,210,160 × 1,210,160
4. Step 4: Simplify right side
   553,827x = 1,464,487,225,600
5. Step 5: Solve for x
   x = 1,464,487,225,600/553,827
6. Step 6: Final answer
   x = 2,644,304.50