Finding the Third Proportional to 62,820 and 148,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,820 : 148,180.50 = 148,180.50 : x
2. Step 2: Convert to fraction form
   62,820/148,180.50 = 148,180.50/x
3. Step 3: Cross multiply
   62,820x = 148,180.50 × 148,180.50
4. Step 4: Simplify right side
   62,820x = 21,957,460,580.25
5. Step 5: Solve for x
   x = 21,957,460,580.25/62,820
6. Step 6: Final answer
   x = 349,529.78