Finding the Third Proportional to 2,816,199 and 5,781,691.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,816,199 : 5,781,691.69 = 5,781,691.69 : x
2. Step 2: Convert to fraction form
   2,816,199/5,781,691.69 = 5,781,691.69/x
3. Step 3: Cross multiply
   2,816,199x = 5,781,691.69 × 5,781,691.69
4. Step 4: Simplify right side
   2,816,199x = 33,427,958,769,306.60
5. Step 5: Solve for x
   x = 33,427,958,769,306.60/2,816,199
6. Step 6: Final answer
   x = 11,869,885.18