Finding the Third Proportional to 62,290.50 and 146,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,290.50 : 146,236.50 = 146,236.50 : x
2. Step 2: Convert to fraction form
   62,290.50/146,236.50 = 146,236.50/x
3. Step 3: Cross multiply
   62,290.50x = 146,236.50 × 146,236.50
4. Step 4: Simplify right side
   62,290.50x = 21,385,113,932.25
5. Step 5: Solve for x
   x = 21,385,113,932.25/62,290.50
6. Step 6: Final answer
   x = 343,312.61