Finding the Third Proportional to 12,156,912 and 19,250,208

Step by Step Solution

1. Step 1: Write the proportion equation
   12,156,912 : 19,250,208 = 19,250,208 : x
2. Step 2: Convert to fraction form
   12,156,912/19,250,208 = 19,250,208/x
3. Step 3: Cross multiply
   12,156,912x = 19,250,208 × 19,250,208
4. Step 4: Simplify right side
   12,156,912x = 370,570,508,043,264
5. Step 5: Solve for x
   x = 370,570,508,043,264/12,156,912
6. Step 6: Final answer
   x = 30,482,289.26