Finding the Third Proportional to 42,359 and 90,547

Step by Step Solution

1. Step 1: Write the proportion equation
   42,359 : 90,547 = 90,547 : x
2. Step 2: Convert to fraction form
   42,359/90,547 = 90,547/x
3. Step 3: Cross multiply
   42,359x = 90,547 × 90,547
4. Step 4: Simplify right side
   42,359x = 8,198,759,209
5. Step 5: Solve for x
   x = 8,198,759,209/42,359
6. Step 6: Final answer
   x = 193,554.13