Finding the Third Proportional to 8,807,631 and 12,403,146

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807,631 : 12,403,146 = 12,403,146 : x
2. Step 2: Convert to fraction form
   8,807,631/12,403,146 = 12,403,146/x
3. Step 3: Cross multiply
   8,807,631x = 12,403,146 × 12,403,146
4. Step 4: Simplify right side
   8,807,631x = 153,838,030,697,316
5. Step 5: Solve for x
   x = 153,838,030,697,316/8,807,631
6. Step 6: Final answer
   x = 17,466,448.21