Finding the Third Proportional to 19,561,410 and 42,482,868

Step by Step Solution

1. Step 1: Write the proportion equation
   19,561,410 : 42,482,868 = 42,482,868 : x
2. Step 2: Convert to fraction form
   19,561,410/42,482,868 = 42,482,868/x
3. Step 3: Cross multiply
   19,561,410x = 42,482,868 × 42,482,868
4. Step 4: Simplify right side
   19,561,410x = 1,804,794,073,505,424
5. Step 5: Solve for x
   x = 1,804,794,073,505,424/19,561,410
6. Step 6: Final answer
   x = 92,262,984.80