Finding the Third Proportional to 31,034,490 and 67,440,846

Step by Step Solution

1. Step 1: Write the proportion equation
   31,034,490 : 67,440,846 = 67,440,846 : x
2. Step 2: Convert to fraction form
   31,034,490/67,440,846 = 67,440,846/x
3. Step 3: Cross multiply
   31,034,490x = 67,440,846 × 67,440,846
4. Step 4: Simplify right side
   31,034,490x = 4,548,267,709,195,716
5. Step 5: Solve for x
   x = 4,548,267,709,195,716/31,034,490
6. Step 6: Final answer
   x = 146,555,258.66