Finding the Third Proportional to 9,185,503 and 19,775,061

Step by Step Solution

1. Step 1: Write the proportion equation
   9,185,503 : 19,775,061 = 19,775,061 : x
2. Step 2: Convert to fraction form
   9,185,503/19,775,061 = 19,775,061/x
3. Step 3: Cross multiply
   9,185,503x = 19,775,061 × 19,775,061
4. Step 4: Simplify right side
   9,185,503x = 391,053,037,553,721
5. Step 5: Solve for x
   x = 391,053,037,553,721/9,185,503
6. Step 6: Final answer
   x = 42,572,849.58