Finding the Third Proportional to 6,812,076 and 11,352,978

Step by Step Solution

1. Step 1: Write the proportion equation
   6,812,076 : 11,352,978 = 11,352,978 : x
2. Step 2: Convert to fraction form
   6,812,076/11,352,978 = 11,352,978/x
3. Step 3: Cross multiply
   6,812,076x = 11,352,978 × 11,352,978
4. Step 4: Simplify right side
   6,812,076x = 128,890,109,468,484
5. Step 5: Solve for x
   x = 128,890,109,468,484/6,812,076
6. Step 6: Final answer
   x = 18,920,826.70