Finding the Third Proportional to 17,729,856 and 38,822,688

Step by Step Solution

1. Step 1: Write the proportion equation
   17,729,856 : 38,822,688 = 38,822,688 : x
2. Step 2: Convert to fraction form
   17,729,856/38,822,688 = 38,822,688/x
3. Step 3: Cross multiply
   17,729,856x = 38,822,688 × 38,822,688
4. Step 4: Simplify right side
   17,729,856x = 1,507,201,103,545,344
5. Step 5: Solve for x
   x = 1,507,201,103,545,344/17,729,856
6. Step 6: Final answer
   x = 85,009,212.91