Finding the Third Proportional to 272,290.50 and 731,574

Step by Step Solution

1. Step 1: Write the proportion equation
   272,290.50 : 731,574 = 731,574 : x
2. Step 2: Convert to fraction form
   272,290.50/731,574 = 731,574/x
3. Step 3: Cross multiply
   272,290.50x = 731,574 × 731,574
4. Step 4: Simplify right side
   272,290.50x = 535,200,517,476
5. Step 5: Solve for x
   x = 535,200,517,476/272,290.50
6. Step 6: Final answer
   x = 1,965,549.73