Finding the Third Proportional to 12,585,196 and 19,109,776

Step by Step Solution

1. Step 1: Write the proportion equation
   12,585,196 : 19,109,776 = 19,109,776 : x
2. Step 2: Convert to fraction form
   12,585,196/19,109,776 = 19,109,776/x
3. Step 3: Cross multiply
   12,585,196x = 19,109,776 × 19,109,776
4. Step 4: Simplify right side
   12,585,196x = 365,183,538,770,176
5. Step 5: Solve for x
   x = 365,183,538,770,176/12,585,196
6. Step 6: Final answer
   x = 29,016,913.11