Finding the Third Proportional to 31,926,648 and 69,815,742

Step by Step Solution

1. Step 1: Write the proportion equation
   31,926,648 : 69,815,742 = 69,815,742 : x
2. Step 2: Convert to fraction form
   31,926,648/69,815,742 = 69,815,742/x
3. Step 3: Cross multiply
   31,926,648x = 69,815,742 × 69,815,742
4. Step 4: Simplify right side
   31,926,648x = 4,874,237,831,010,564
5. Step 5: Solve for x
   x = 4,874,237,831,010,564/31,926,648
6. Step 6: Final answer
   x = 152,669,889.77