Finding the Third Proportional to 8,807,640 and 12,402,756

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807,640 : 12,402,756 = 12,402,756 : x
2. Step 2: Convert to fraction form
   8,807,640/12,402,756 = 12,402,756/x
3. Step 3: Cross multiply
   8,807,640x = 12,402,756 × 12,402,756
4. Step 4: Simplify right side
   8,807,640x = 153,828,356,395,536
5. Step 5: Solve for x
   x = 153,828,356,395,536/8,807,640
6. Step 6: Final answer
   x = 17,465,331.96