Finding the Third Proportional to 19,301,803 and 42,429,039

Step by Step Solution

1. Step 1: Write the proportion equation
   19,301,803 : 42,429,039 = 42,429,039 : x
2. Step 2: Convert to fraction form
   19,301,803/42,429,039 = 42,429,039/x
3. Step 3: Cross multiply
   19,301,803x = 42,429,039 × 42,429,039
4. Step 4: Simplify right side
   19,301,803x = 1,800,223,350,463,521
5. Step 5: Solve for x
   x = 1,800,223,350,463,521/19,301,803
6. Step 6: Final answer
   x = 93,267,108.28