Finding the Third Proportional to 9,700,128 and 13,487,112

Step by Step Solution

1. Step 1: Write the proportion equation
   9,700,128 : 13,487,112 = 13,487,112 : x
2. Step 2: Convert to fraction form
   9,700,128/13,487,112 = 13,487,112/x
3. Step 3: Cross multiply
   9,700,128x = 13,487,112 × 13,487,112
4. Step 4: Simplify right side
   9,700,128x = 181,902,190,100,544
5. Step 5: Solve for x
   x = 181,902,190,100,544/9,700,128
6. Step 6: Final answer
   x = 18,752,555.65