Finding the Third Proportional to 556,280 and 1,196,392

Step by Step Solution

1. Step 1: Write the proportion equation
   556,280 : 1,196,392 = 1,196,392 : x
2. Step 2: Convert to fraction form
   556,280/1,196,392 = 1,196,392/x
3. Step 3: Cross multiply
   556,280x = 1,196,392 × 1,196,392
4. Step 4: Simplify right side
   556,280x = 1,431,353,817,664
5. Step 5: Solve for x
   x = 1,431,353,817,664/556,280
6. Step 6: Final answer
   x = 2,573,081.57