Finding the Third Proportional to 252,796.50 and 556,434

Step by Step Solution

1. Step 1: Write the proportion equation
   252,796.50 : 556,434 = 556,434 : x
2. Step 2: Convert to fraction form
   252,796.50/556,434 = 556,434/x
3. Step 3: Cross multiply
   252,796.50x = 556,434 × 556,434
4. Step 4: Simplify right side
   252,796.50x = 309,618,796,356
5. Step 5: Solve for x
   x = 309,618,796,356/252,796.50
6. Step 6: Final answer
   x = 1,224,774.85