Finding the Third Proportional to 5,441,772 and 7,866,486

Step by Step Solution

1. Step 1: Write the proportion equation
   5,441,772 : 7,866,486 = 7,866,486 : x
2. Step 2: Convert to fraction form
   5,441,772/7,866,486 = 7,866,486/x
3. Step 3: Cross multiply
   5,441,772x = 7,866,486 × 7,866,486
4. Step 4: Simplify right side
   5,441,772x = 61,881,601,988,196
5. Step 5: Solve for x
   x = 61,881,601,988,196/5,441,772
6. Step 6: Final answer
   x = 11,371,590.35