Finding the Third Proportional to 31,199,324 and 69,568,174

Step by Step Solution

1. Step 1: Write the proportion equation
   31,199,324 : 69,568,174 = 69,568,174 : x
2. Step 2: Convert to fraction form
   31,199,324/69,568,174 = 69,568,174/x
3. Step 3: Cross multiply
   31,199,324x = 69,568,174 × 69,568,174
4. Step 4: Simplify right side
   31,199,324x = 4,839,730,833,694,276
5. Step 5: Solve for x
   x = 4,839,730,833,694,276/31,199,324
6. Step 6: Final answer
   x = 155,122,939.00