Finding the Third Proportional to 42,706 and 62,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,706 : 62,412.50 = 62,412.50 : x
2. Step 2: Convert to fraction form
   42,706/62,412.50 = 62,412.50/x
3. Step 3: Cross multiply
   42,706x = 62,412.50 × 62,412.50
4. Step 4: Simplify right side
   42,706x = 3,895,320,156.25
5. Step 5: Solve for x
   x = 3,895,320,156.25/42,706
6. Step 6: Final answer
   x = 91,212.48