Finding the Third Proportional to 5,827,140 and 8,821,980

Step by Step Solution

1. Step 1: Write the proportion equation
   5,827,140 : 8,821,980 = 8,821,980 : x
2. Step 2: Convert to fraction form
   5,827,140/8,821,980 = 8,821,980/x
3. Step 3: Cross multiply
   5,827,140x = 8,821,980 × 8,821,980
4. Step 4: Simplify right side
   5,827,140x = 77,827,331,120,400
5. Step 5: Solve for x
   x = 77,827,331,120,400/5,827,140
6. Step 6: Final answer
   x = 13,356,008.46