Finding the Third Proportional to 493,153.31 and 742,987.69

Step by Step Solution

1. Step 1: Write the proportion equation
   493,153.31 : 742,987.69 = 742,987.69 : x
2. Step 2: Convert to fraction form
   493,153.31/742,987.69 = 742,987.69/x
3. Step 3: Cross multiply
   493,153.31x = 742,987.69 × 742,987.69
4. Step 4: Simplify right side
   493,153.31x = 552,030,703,776.60
5. Step 5: Solve for x
   x = 552,030,703,776.60/493,153.31
6. Step 6: Final answer
   x = 1,119,389.63