Finding the Third Proportional to 19,580,990 and 42,416,284

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580,990 : 42,416,284 = 42,416,284 : x
2. Step 2: Convert to fraction form
   19,580,990/42,416,284 = 42,416,284/x
3. Step 3: Cross multiply
   19,580,990x = 42,416,284 × 42,416,284
4. Step 4: Simplify right side
   19,580,990x = 1,799,141,148,368,656
5. Step 5: Solve for x
   x = 1,799,141,148,368,656/19,580,990
6. Step 6: Final answer
   x = 91,882,031.93