Finding the Third Proportional to 69,431,172,674 and 150,698,599,300

Step by Step Solution

1. Step 1: Write the proportion equation
   69,431,172,674 : 150,698,599,300 = 150,698,599,300 : x
2. Step 2: Convert to fraction form
   69,431,172,674/150,698,599,300 = 150,698,599,300/x
3. Step 3: Cross multiply
   69,431,172,674x = 150,698,599,300 × 150,698,599,300
4. Step 4: Simplify right side
   69,431,172,674x = 22,710,067,830,981,958,565,888
5. Step 5: Solve for x
   x = 22,710,067,830,981,958,565,888/69,431,172,674
6. Step 6: Final answer
   x = 327,087,487,598.87