Finding the Third Proportional to 19,414,826 and 42,129,796

Step by Step Solution

1. Step 1: Write the proportion equation
   19,414,826 : 42,129,796 = 42,129,796 : x
2. Step 2: Convert to fraction form
   19,414,826/42,129,796 = 42,129,796/x
3. Step 3: Cross multiply
   19,414,826x = 42,129,796 × 42,129,796
4. Step 4: Simplify right side
   19,414,826x = 1,774,919,711,001,616
5. Step 5: Solve for x
   x = 1,774,919,711,001,616/19,414,826
6. Step 6: Final answer
   x = 91,420,840.50