Finding the Third Proportional to 109,490 and 240,532

Step by Step Solution

1. Step 1: Write the proportion equation
   109,490 : 240,532 = 240,532 : x
2. Step 2: Convert to fraction form
   109,490/240,532 = 240,532/x
3. Step 3: Cross multiply
   109,490x = 240,532 × 240,532
4. Step 4: Simplify right side
   109,490x = 57,855,643,024
5. Step 5: Solve for x
   x = 57,855,643,024/109,490
6. Step 6: Final answer
   x = 528,410.29