Finding the Third Proportional to 42,069 and 70,113

Step by Step Solution

1. Step 1: Write the proportion equation
   42,069 : 70,113 = 70,113 : x
2. Step 2: Convert to fraction form
   42,069/70,113 = 70,113/x
3. Step 3: Cross multiply
   42,069x = 70,113 × 70,113
4. Step 4: Simplify right side
   42,069x = 4,915,832,769
5. Step 5: Solve for x
   x = 4,915,832,769/42,069
6. Step 6: Final answer
   x = 116,851.67