Finding the Third Proportional to 28,903,724 and 42,270,456

Step by Step Solution

1. Step 1: Write the proportion equation
   28,903,724 : 42,270,456 = 42,270,456 : x
2. Step 2: Convert to fraction form
   28,903,724/42,270,456 = 42,270,456/x
3. Step 3: Cross multiply
   28,903,724x = 42,270,456 × 42,270,456
4. Step 4: Simplify right side
   28,903,724x = 1,786,791,450,447,936
5. Step 5: Solve for x
   x = 1,786,791,450,447,936/28,903,724
6. Step 6: Final answer
   x = 61,818,727.94