Finding the Third Proportional to 611,955 and 1,308,111

Step by Step Solution

1. Step 1: Write the proportion equation
   611,955 : 1,308,111 = 1,308,111 : x
2. Step 2: Convert to fraction form
   611,955/1,308,111 = 1,308,111/x
3. Step 3: Cross multiply
   611,955x = 1,308,111 × 1,308,111
4. Step 4: Simplify right side
   611,955x = 1,711,154,388,321
5. Step 5: Solve for x
   x = 1,711,154,388,321/611,955
6. Step 6: Final answer
   x = 2,796,209.51