Finding the Third Proportional to 9,446,090 and 19,564,290

Step by Step Solution

1. Step 1: Write the proportion equation
   9,446,090 : 19,564,290 = 19,564,290 : x
2. Step 2: Convert to fraction form
   9,446,090/19,564,290 = 19,564,290/x
3. Step 3: Cross multiply
   9,446,090x = 19,564,290 × 19,564,290
4. Step 4: Simplify right side
   9,446,090x = 382,761,443,204,100
5. Step 5: Solve for x
   x = 382,761,443,204,100/9,446,090
6. Step 6: Final answer
   x = 40,520,622.10