Finding the Third Proportional to 62,559 and 137,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,559 : 137,038.50 = 137,038.50 : x
2. Step 2: Convert to fraction form
   62,559/137,038.50 = 137,038.50/x
3. Step 3: Cross multiply
   62,559x = 137,038.50 × 137,038.50
4. Step 4: Simplify right side
   62,559x = 18,779,550,482.25
5. Step 5: Solve for x
   x = 18,779,550,482.25/62,559
6. Step 6: Final answer
   x = 300,189.43