Finding the Third Proportional to 29,443,834 and 64,346,420

Step by Step Solution

1. Step 1: Write the proportion equation
   29,443,834 : 64,346,420 = 64,346,420 : x
2. Step 2: Convert to fraction form
   29,443,834/64,346,420 = 64,346,420/x
3. Step 3: Cross multiply
   29,443,834x = 64,346,420 × 64,346,420
4. Step 4: Simplify right side
   29,443,834x = 4,140,461,766,816,400
5. Step 5: Solve for x
   x = 4,140,461,766,816,400/29,443,834
6. Step 6: Final answer
   x = 140,622,371.63