Finding the Third Proportional to 27,990,112 and 58,214,780

Step by Step Solution

1. Step 1: Write the proportion equation
   27,990,112 : 58,214,780 = 58,214,780 : x
2. Step 2: Convert to fraction form
   27,990,112/58,214,780 = 58,214,780/x
3. Step 3: Cross multiply
   27,990,112x = 58,214,780 × 58,214,780
4. Step 4: Simplify right side
   27,990,112x = 3,388,960,610,448,400
5. Step 5: Solve for x
   x = 3,388,960,610,448,400/27,990,112
6. Step 6: Final answer
   x = 121,077,065.02