Finding the Third Proportional to 17,850,688 and 38,870,398

Step by Step Solution

1. Step 1: Write the proportion equation
   17,850,688 : 38,870,398 = 38,870,398 : x
2. Step 2: Convert to fraction form
   17,850,688/38,870,398 = 38,870,398/x
3. Step 3: Cross multiply
   17,850,688x = 38,870,398 × 38,870,398
4. Step 4: Simplify right side
   17,850,688x = 1,510,907,840,678,404
5. Step 5: Solve for x
   x = 1,510,907,840,678,404/17,850,688
6. Step 6: Final answer
   x = 84,641,434.59