Finding the Third Proportional to 37,172,587 and 77,400,003

Step by Step Solution

1. Step 1: Write the proportion equation
   37,172,587 : 77,400,003 = 77,400,003 : x
2. Step 2: Convert to fraction form
   37,172,587/77,400,003 = 77,400,003/x
3. Step 3: Cross multiply
   37,172,587x = 77,400,003 × 77,400,003
4. Step 4: Simplify right side
   37,172,587x = 5,990,760,464,400,009
5. Step 5: Solve for x
   x = 5,990,760,464,400,009/37,172,587
6. Step 6: Final answer
   x = 161,160,708.68