Finding the Third Proportional to 67,528,830 and 137,444,168

Step by Step Solution

1. Step 1: Write the proportion equation
   67,528,830 : 137,444,168 = 137,444,168 : x
2. Step 2: Convert to fraction form
   67,528,830/137,444,168 = 137,444,168/x
3. Step 3: Cross multiply
   67,528,830x = 137,444,168 × 137,444,168
4. Step 4: Simplify right side
   67,528,830x = 18,890,899,317,212,224
5. Step 5: Solve for x
   x = 18,890,899,317,212,224/67,528,830
6. Step 6: Final answer
   x = 279,745,692.58