Finding the Third Proportional to 5,643,980 and 12,411,646

Step by Step Solution

1. Step 1: Write the proportion equation
   5,643,980 : 12,411,646 = 12,411,646 : x
2. Step 2: Convert to fraction form
   5,643,980/12,411,646 = 12,411,646/x
3. Step 3: Cross multiply
   5,643,980x = 12,411,646 × 12,411,646
4. Step 4: Simplify right side
   5,643,980x = 154,048,956,429,316
5. Step 5: Solve for x
   x = 154,048,956,429,316/5,643,980
6. Step 6: Final answer
   x = 27,294,383.83