Finding the Third Proportional to 19,558,370 and 42,479,563

Step by Step Solution

1. Step 1: Write the proportion equation
   19,558,370 : 42,479,563 = 42,479,563 : x
2. Step 2: Convert to fraction form
   19,558,370/42,479,563 = 42,479,563/x
3. Step 3: Cross multiply
   19,558,370x = 42,479,563 × 42,479,563
4. Step 4: Simplify right side
   19,558,370x = 1,804,513,272,670,969
5. Step 5: Solve for x
   x = 1,804,513,272,670,969/19,558,370
6. Step 6: Final answer
   x = 92,262,968.37