Finding the Third Proportional to 42,553 and 67,349.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,553 : 67,349.50 = 67,349.50 : x
2. Step 2: Convert to fraction form
   42,553/67,349.50 = 67,349.50/x
3. Step 3: Cross multiply
   42,553x = 67,349.50 × 67,349.50
4. Step 4: Simplify right side
   42,553x = 4,535,955,150.25
5. Step 5: Solve for x
   x = 4,535,955,150.25/42,553
6. Step 6: Final answer
   x = 106,595.43