Finding the Third Proportional to 31,195,491 and 67,323,426

Step by Step Solution

1. Step 1: Write the proportion equation
   31,195,491 : 67,323,426 = 67,323,426 : x
2. Step 2: Convert to fraction form
   31,195,491/67,323,426 = 67,323,426/x
3. Step 3: Cross multiply
   31,195,491x = 67,323,426 × 67,323,426
4. Step 4: Simplify right side
   31,195,491x = 4,532,443,688,377,476
5. Step 5: Solve for x
   x = 4,532,443,688,377,476/31,195,491
6. Step 6: Final answer
   x = 145,291,628.47