Finding the Third Proportional to 12,369,845 and 19,884,461

Step by Step Solution

1. Step 1: Write the proportion equation
   12,369,845 : 19,884,461 = 19,884,461 : x
2. Step 2: Convert to fraction form
   12,369,845/19,884,461 = 19,884,461/x
3. Step 3: Cross multiply
   12,369,845x = 19,884,461 × 19,884,461
4. Step 4: Simplify right side
   12,369,845x = 395,391,789,260,521
5. Step 5: Solve for x
   x = 395,391,789,260,521/12,369,845
6. Step 6: Final answer
   x = 31,964,166.83