Finding the Third Proportional to 137,601.75 and 290,124

Step by Step Solution

1. Step 1: Write the proportion equation
   137,601.75 : 290,124 = 290,124 : x
2. Step 2: Convert to fraction form
   137,601.75/290,124 = 290,124/x
3. Step 3: Cross multiply
   137,601.75x = 290,124 × 290,124
4. Step 4: Simplify right side
   137,601.75x = 84,171,935,376
5. Step 5: Solve for x
   x = 84,171,935,376/137,601.75
6. Step 6: Final answer
   x = 611,706.87