Finding the Third Proportional to 41,638,020 and 90,219,222

Step by Step Solution

1. Step 1: Write the proportion equation
   41,638,020 : 90,219,222 = 90,219,222 : x
2. Step 2: Convert to fraction form
   41,638,020/90,219,222 = 90,219,222/x
3. Step 3: Cross multiply
   41,638,020x = 90,219,222 × 90,219,222
4. Step 4: Simplify right side
   41,638,020x = 8,139,508,018,285,284
5. Step 5: Solve for x
   x = 8,139,508,018,285,284/41,638,020
6. Step 6: Final answer
   x = 195,482,590.63