Finding the Third Proportional to 114,790 and 243,475

Step by Step Solution

1. Step 1: Write the proportion equation
   114,790 : 243,475 = 243,475 : x
2. Step 2: Convert to fraction form
   114,790/243,475 = 243,475/x
3. Step 3: Cross multiply
   114,790x = 243,475 × 243,475
4. Step 4: Simplify right side
   114,790x = 59,280,075,625
5. Step 5: Solve for x
   x = 59,280,075,625/114,790
6. Step 6: Final answer
   x = 516,421.95