Finding the Third Proportional to 42,918 and 93,900

Step by Step Solution

1. Step 1: Write the proportion equation
   42,918 : 93,900 = 93,900 : x
2. Step 2: Convert to fraction form
   42,918/93,900 = 93,900/x
3. Step 3: Cross multiply
   42,918x = 93,900 × 93,900
4. Step 4: Simplify right side
   42,918x = 8,817,210,000
5. Step 5: Solve for x
   x = 8,817,210,000/42,918
6. Step 6: Final answer
   x = 205,443.17