Finding the Third Proportional to 42,408 and 62,437.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,408 : 62,437.50 = 62,437.50 : x
2. Step 2: Convert to fraction form
   42,408/62,437.50 = 62,437.50/x
3. Step 3: Cross multiply
   42,408x = 62,437.50 × 62,437.50
4. Step 4: Simplify right side
   42,408x = 3,898,441,406.25
5. Step 5: Solve for x
   x = 3,898,441,406.25/42,408
6. Step 6: Final answer
   x = 91,927.03