Finding the Third Proportional to 31,367,276 and 67,945,624

Step by Step Solution

1. Step 1: Write the proportion equation
   31,367,276 : 67,945,624 = 67,945,624 : x
2. Step 2: Convert to fraction form
   31,367,276/67,945,624 = 67,945,624/x
3. Step 3: Cross multiply
   31,367,276x = 67,945,624 × 67,945,624
4. Step 4: Simplify right side
   31,367,276x = 4,616,607,820,749,376
5. Step 5: Solve for x
   x = 4,616,607,820,749,376/31,367,276
6. Step 6: Final answer
   x = 147,179,111.78