Finding the Third Proportional to 148,516 and 230,078

Step by Step Solution

1. Step 1: Write the proportion equation
   148,516 : 230,078 = 230,078 : x
2. Step 2: Convert to fraction form
   148,516/230,078 = 230,078/x
3. Step 3: Cross multiply
   148,516x = 230,078 × 230,078
4. Step 4: Simplify right side
   148,516x = 52,935,886,084
5. Step 5: Solve for x
   x = 52,935,886,084/148,516
6. Step 6: Final answer
   x = 356,432.21