Finding the Third Proportional to 19,778,266 and 41,072,364

Step by Step Solution

1. Step 1: Write the proportion equation
   19,778,266 : 41,072,364 = 41,072,364 : x
2. Step 2: Convert to fraction form
   19,778,266/41,072,364 = 41,072,364/x
3. Step 3: Cross multiply
   19,778,266x = 41,072,364 × 41,072,364
4. Step 4: Simplify right side
   19,778,266x = 1,686,939,084,548,496
5. Step 5: Solve for x
   x = 1,686,939,084,548,496/19,778,266
6. Step 6: Final answer
   x = 85,292,567.33