Finding the Third Proportional to 11,813,388 and 19,290,076

Step by Step Solution

1. Step 1: Write the proportion equation
   11,813,388 : 19,290,076 = 19,290,076 : x
2. Step 2: Convert to fraction form
   11,813,388/19,290,076 = 19,290,076/x
3. Step 3: Cross multiply
   11,813,388x = 19,290,076 × 19,290,076
4. Step 4: Simplify right side
   11,813,388x = 372,107,032,085,776
5. Step 5: Solve for x
   x = 372,107,032,085,776/11,813,388
6. Step 6: Final answer
   x = 31,498,756.50