Finding the Third Proportional to 294,924 and 645,042.75

Step by Step Solution

1. Step 1: Write the proportion equation
   294,924 : 645,042.75 = 645,042.75 : x
2. Step 2: Convert to fraction form
   294,924/645,042.75 = 645,042.75/x
3. Step 3: Cross multiply
   294,924x = 645,042.75 × 645,042.75
4. Step 4: Simplify right side
   294,924x = 416,080,149,327.56
5. Step 5: Solve for x
   x = 416,080,149,327.56/294,924
6. Step 6: Final answer
   x = 1,410,804.65