Finding the Third Proportional to 6,287,963 and 12,807,146

Step by Step Solution

1. Step 1: Write the proportion equation
   6,287,963 : 12,807,146 = 12,807,146 : x
2. Step 2: Convert to fraction form
   6,287,963/12,807,146 = 12,807,146/x
3. Step 3: Cross multiply
   6,287,963x = 12,807,146 × 12,807,146
4. Step 4: Simplify right side
   6,287,963x = 164,022,988,665,316
5. Step 5: Solve for x
   x = 164,022,988,665,316/6,287,963
6. Step 6: Final answer
   x = 26,085,234.39