Finding the Third Proportional to 45,421,042 and 99,635,698

Step by Step Solution

1. Step 1: Write the proportion equation
   45,421,042 : 99,635,698 = 99,635,698 : x
2. Step 2: Convert to fraction form
   45,421,042/99,635,698 = 99,635,698/x
3. Step 3: Cross multiply
   45,421,042x = 99,635,698 × 99,635,698
4. Step 4: Simplify right side
   45,421,042x = 9,927,272,315,947,204
5. Step 5: Solve for x
   x = 9,927,272,315,947,204/45,421,042
6. Step 6: Final answer
   x = 218,561,087.08