Finding the Third Proportional to 50,735,214 and 78,434,406

Step by Step Solution

1. Step 1: Write the proportion equation
   50,735,214 : 78,434,406 = 78,434,406 : x
2. Step 2: Convert to fraction form
   50,735,214/78,434,406 = 78,434,406/x
3. Step 3: Cross multiply
   50,735,214x = 78,434,406 × 78,434,406
4. Step 4: Simplify right side
   50,735,214x = 6,151,956,044,572,836
5. Step 5: Solve for x
   x = 6,151,956,044,572,836/50,735,214
6. Step 6: Final answer
   x = 121,256,136.71