Finding the Third Proportional to 12,156,628 and 19,249,710

Step by Step Solution

1. Step 1: Write the proportion equation
   12,156,628 : 19,249,710 = 19,249,710 : x
2. Step 2: Convert to fraction form
   12,156,628/19,249,710 = 19,249,710/x
3. Step 3: Cross multiply
   12,156,628x = 19,249,710 × 19,249,710
4. Step 4: Simplify right side
   12,156,628x = 370,551,335,084,100
5. Step 5: Solve for x
   x = 370,551,335,084,100/12,156,628
6. Step 6: Final answer
   x = 30,481,424.21