Finding the Third Proportional to 137,490 and 301,548

Step by Step Solution

1. Step 1: Write the proportion equation
   137,490 : 301,548 = 301,548 : x
2. Step 2: Convert to fraction form
   137,490/301,548 = 301,548/x
3. Step 3: Cross multiply
   137,490x = 301,548 × 301,548
4. Step 4: Simplify right side
   137,490x = 90,931,196,304
5. Step 5: Solve for x
   x = 90,931,196,304/137,490
6. Step 6: Final answer
   x = 661,365.89