Finding the Third Proportional to 7,197,670 and 10,870,864

Step by Step Solution

1. Step 1: Write the proportion equation
   7,197,670 : 10,870,864 = 10,870,864 : x
2. Step 2: Convert to fraction form
   7,197,670/10,870,864 = 10,870,864/x
3. Step 3: Cross multiply
   7,197,670x = 10,870,864 × 10,870,864
4. Step 4: Simplify right side
   7,197,670x = 118,175,684,106,496
5. Step 5: Solve for x
   x = 118,175,684,106,496/7,197,670
6. Step 6: Final answer
   x = 16,418,602.70