Finding the Third Proportional to 5,916,090 and 8,454,230

Step by Step Solution

1. Step 1: Write the proportion equation
   5,916,090 : 8,454,230 = 8,454,230 : x
2. Step 2: Convert to fraction form
   5,916,090/8,454,230 = 8,454,230/x
3. Step 3: Cross multiply
   5,916,090x = 8,454,230 × 8,454,230
4. Step 4: Simplify right side
   5,916,090x = 71,474,004,892,900
5. Step 5: Solve for x
   x = 71,474,004,892,900/5,916,090
6. Step 6: Final answer
   x = 12,081,291.00