Finding the Third Proportional to 9,889,182 and 20,536,284

Step by Step Solution

1. Step 1: Write the proportion equation
   9,889,182 : 20,536,284 = 20,536,284 : x
2. Step 2: Convert to fraction form
   9,889,182/20,536,284 = 20,536,284/x
3. Step 3: Cross multiply
   9,889,182x = 20,536,284 × 20,536,284
4. Step 4: Simplify right side
   9,889,182x = 421,738,960,528,656
5. Step 5: Solve for x
   x = 421,738,960,528,656/9,889,182
6. Step 6: Final answer
   x = 42,646,495.99