Finding the Third Proportional to 493,153.50 and 742,566

Step by Step Solution

1. Step 1: Write the proportion equation
   493,153.50 : 742,566 = 742,566 : x
2. Step 2: Convert to fraction form
   493,153.50/742,566 = 742,566/x
3. Step 3: Cross multiply
   493,153.50x = 742,566 × 742,566
4. Step 4: Simplify right side
   493,153.50x = 551,404,264,356
5. Step 5: Solve for x
   x = 551,404,264,356/493,153.50
6. Step 6: Final answer
   x = 1,118,118.93