Finding the Third Proportional to 8,737,860 and 13,106,784

Step by Step Solution

1. Step 1: Write the proportion equation
   8,737,860 : 13,106,784 = 13,106,784 : x
2. Step 2: Convert to fraction form
   8,737,860/13,106,784 = 13,106,784/x
3. Step 3: Cross multiply
   8,737,860x = 13,106,784 × 13,106,784
4. Step 4: Simplify right side
   8,737,860x = 171,787,786,822,656
5. Step 5: Solve for x
   x = 171,787,786,822,656/8,737,860
6. Step 6: Final answer
   x = 19,660,167.00