Finding the Third Proportional to 70,490 and 103,089

Step by Step Solution

1. Step 1: Write the proportion equation
   70,490 : 103,089 = 103,089 : x
2. Step 2: Convert to fraction form
   70,490/103,089 = 103,089/x
3. Step 3: Cross multiply
   70,490x = 103,089 × 103,089
4. Step 4: Simplify right side
   70,490x = 10,627,341,921
5. Step 5: Solve for x
   x = 10,627,341,921/70,490
6. Step 6: Final answer
   x = 150,763.82