Finding the Third Proportional to 31,465,252 and 69,174,684

Step by Step Solution

1. Step 1: Write the proportion equation
   31,465,252 : 69,174,684 = 69,174,684 : x
2. Step 2: Convert to fraction form
   31,465,252/69,174,684 = 69,174,684/x
3. Step 3: Cross multiply
   31,465,252x = 69,174,684 × 69,174,684
4. Step 4: Simplify right side
   31,465,252x = 4,785,136,906,499,856
5. Step 5: Solve for x
   x = 4,785,136,906,499,856/31,465,252
6. Step 6: Final answer
   x = 152,076,865.82