Finding the Third Proportional to 13,291,788 and 19,915,494

Step by Step Solution

1. Step 1: Write the proportion equation
   13,291,788 : 19,915,494 = 19,915,494 : x
2. Step 2: Convert to fraction form
   13,291,788/19,915,494 = 19,915,494/x
3. Step 3: Cross multiply
   13,291,788x = 19,915,494 × 19,915,494
4. Step 4: Simplify right side
   13,291,788x = 396,626,901,264,036
5. Step 5: Solve for x
   x = 396,626,901,264,036/13,291,788
6. Step 6: Final answer
   x = 29,839,996.04