Finding the Third Proportional to 65,840 and 99,340

Step by Step Solution

1. Step 1: Write the proportion equation
   65,840 : 99,340 = 99,340 : x
2. Step 2: Convert to fraction form
   65,840/99,340 = 99,340/x
3. Step 3: Cross multiply
   65,840x = 99,340 × 99,340
4. Step 4: Simplify right side
   65,840x = 9,868,435,600
5. Step 5: Solve for x
   x = 9,868,435,600/65,840
6. Step 6: Final answer
   x = 149,885.11