Finding the Third Proportional to 19,413,186 and 30,905,160

Step by Step Solution

1. Step 1: Write the proportion equation
   19,413,186 : 30,905,160 = 30,905,160 : x
2. Step 2: Convert to fraction form
   19,413,186/30,905,160 = 30,905,160/x
3. Step 3: Cross multiply
   19,413,186x = 30,905,160 × 30,905,160
4. Step 4: Simplify right side
   19,413,186x = 955,128,914,625,600
5. Step 5: Solve for x
   x = 955,128,914,625,600/19,413,186
6. Step 6: Final answer
   x = 49,200,008.42