Finding the Third Proportional to 12,994,893 and 19,975,842

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994,893 : 19,975,842 = 19,975,842 : x
2. Step 2: Convert to fraction form
   12,994,893/19,975,842 = 19,975,842/x
3. Step 3: Cross multiply
   12,994,893x = 19,975,842 × 19,975,842
4. Step 4: Simplify right side
   12,994,893x = 399,034,263,608,964
5. Step 5: Solve for x
   x = 399,034,263,608,964/12,994,893
6. Step 6: Final answer
   x = 30,707,006.48