Finding the Third Proportional to 19,434,528 and 42,530,112

Step by Step Solution

1. Step 1: Write the proportion equation
   19,434,528 : 42,530,112 = 42,530,112 : x
2. Step 2: Convert to fraction form
   19,434,528/42,530,112 = 42,530,112/x
3. Step 3: Cross multiply
   19,434,528x = 42,530,112 × 42,530,112
4. Step 4: Simplify right side
   19,434,528x = 1,808,810,426,732,544
5. Step 5: Solve for x
   x = 1,808,810,426,732,544/19,434,528
6. Step 6: Final answer
   x = 93,072,001.89