Finding the Third Proportional to 29,780.50 and 62,011.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,780.50 : 62,011.50 = 62,011.50 : x
2. Step 2: Convert to fraction form
   29,780.50/62,011.50 = 62,011.50/x
3. Step 3: Cross multiply
   29,780.50x = 62,011.50 × 62,011.50
4. Step 4: Simplify right side
   29,780.50x = 3,845,426,132.25
5. Step 5: Solve for x
   x = 3,845,426,132.25/29,780.50
6. Step 6: Final answer
   x = 129,125.64