Finding the Third Proportional to 9,300,888 and 19,947,132

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300,888 : 19,947,132 = 19,947,132 : x
2. Step 2: Convert to fraction form
   9,300,888/19,947,132 = 19,947,132/x
3. Step 3: Cross multiply
   9,300,888x = 19,947,132 × 19,947,132
4. Step 4: Simplify right side
   9,300,888x = 397,888,075,025,424
5. Step 5: Solve for x
   x = 397,888,075,025,424/9,300,888
6. Step 6: Final answer
   x = 42,779,579.22