Finding the Third Proportional to 19,838,306 and 42,057,364

Step by Step Solution

1. Step 1: Write the proportion equation
   19,838,306 : 42,057,364 = 42,057,364 : x
2. Step 2: Convert to fraction form
   19,838,306/42,057,364 = 42,057,364/x
3. Step 3: Cross multiply
   19,838,306x = 42,057,364 × 42,057,364
4. Step 4: Simplify right side
   19,838,306x = 1,768,821,866,628,496
5. Step 5: Solve for x
   x = 1,768,821,866,628,496/19,838,306
6. Step 6: Final answer
   x = 89,161,940.87