Finding the Third Proportional to 165,069 and 343,051.88

Step by Step Solution

1. Step 1: Write the proportion equation
   165,069 : 343,051.88 = 343,051.88 : x
2. Step 2: Convert to fraction form
   165,069/343,051.88 = 343,051.88/x
3. Step 3: Cross multiply
   165,069x = 343,051.88 × 343,051.88
4. Step 4: Simplify right side
   165,069x = 117,684,588,941.02
5. Step 5: Solve for x
   x = 117,684,588,941.02/165,069
6. Step 6: Final answer
   x = 712,941.79