Finding the Third Proportional to 17,850,684 and 38,870,389

Step by Step Solution

1. Step 1: Write the proportion equation
   17,850,684 : 38,870,389 = 38,870,389 : x
2. Step 2: Convert to fraction form
   17,850,684/38,870,389 = 38,870,389/x
3. Step 3: Cross multiply
   17,850,684x = 38,870,389 × 38,870,389
4. Step 4: Simplify right side
   17,850,684x = 1,510,907,141,011,321
5. Step 5: Solve for x
   x = 1,510,907,141,011,321/17,850,684
6. Step 6: Final answer
   x = 84,641,414.36