Finding the Third Proportional to 19,658,112 and 40,885,696

Step by Step Solution

1. Step 1: Write the proportion equation
   19,658,112 : 40,885,696 = 40,885,696 : x
2. Step 2: Convert to fraction form
   19,658,112/40,885,696 = 40,885,696/x
3. Step 3: Cross multiply
   19,658,112x = 40,885,696 × 40,885,696
4. Step 4: Simplify right side
   19,658,112x = 1,671,640,137,404,416
5. Step 5: Solve for x
   x = 1,671,640,137,404,416/19,658,112
6. Step 6: Final answer
   x = 85,035,640.12