Finding the Third Proportional to 493,431 and 738,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   493,431 : 738,145.50 = 738,145.50 : x
2. Step 2: Convert to fraction form
   493,431/738,145.50 = 738,145.50/x
3. Step 3: Cross multiply
   493,431x = 738,145.50 × 738,145.50
4. Step 4: Simplify right side
   493,431x = 544,858,779,170.25
5. Step 5: Solve for x
   x = 544,858,779,170.25/493,431
6. Step 6: Final answer
   x = 1,104,224.86