Finding the Third Proportional to 19,415,076 and 42,218,868

Step by Step Solution

1. Step 1: Write the proportion equation
   19,415,076 : 42,218,868 = 42,218,868 : x
2. Step 2: Convert to fraction form
   19,415,076/42,218,868 = 42,218,868/x
3. Step 3: Cross multiply
   19,415,076x = 42,218,868 × 42,218,868
4. Step 4: Simplify right side
   19,415,076x = 1,782,432,815,201,424
5. Step 5: Solve for x
   x = 1,782,432,815,201,424/19,415,076
6. Step 6: Final answer
   x = 91,806,636.00