Finding the Third Proportional to 19,847,054 and 42,565,778

Step by Step Solution

1. Step 1: Write the proportion equation
   19,847,054 : 42,565,778 = 42,565,778 : x
2. Step 2: Convert to fraction form
   19,847,054/42,565,778 = 42,565,778/x
3. Step 3: Cross multiply
   19,847,054x = 42,565,778 × 42,565,778
4. Step 4: Simplify right side
   19,847,054x = 1,811,845,456,745,284
5. Step 5: Solve for x
   x = 1,811,845,456,745,284/19,847,054
6. Step 6: Final answer
   x = 91,290,397.90