Finding the Third Proportional to 70,430 and 103,160

Step by Step Solution

1. Step 1: Write the proportion equation
   70,430 : 103,160 = 103,160 : x
2. Step 2: Convert to fraction form
   70,430/103,160 = 103,160/x
3. Step 3: Cross multiply
   70,430x = 103,160 × 103,160
4. Step 4: Simplify right side
   70,430x = 10,641,985,600
5. Step 5: Solve for x
   x = 10,641,985,600/70,430
6. Step 6: Final answer
   x = 151,100.18