Finding the Third Proportional to 31,345,260 and 73,753,485

Step by Step Solution

1. Step 1: Write the proportion equation
   31,345,260 : 73,753,485 = 73,753,485 : x
2. Step 2: Convert to fraction form
   31,345,260/73,753,485 = 73,753,485/x
3. Step 3: Cross multiply
   31,345,260x = 73,753,485 × 73,753,485
4. Step 4: Simplify right side
   31,345,260x = 5,439,576,549,645,225
5. Step 5: Solve for x
   x = 5,439,576,549,645,225/31,345,260
6. Step 6: Final answer
   x = 173,537,451.90