Finding the Third Proportional to 69,619,968 and 144,961,280

Step by Step Solution

1. Step 1: Write the proportion equation
   69,619,968 : 144,961,280 = 144,961,280 : x
2. Step 2: Convert to fraction form
   69,619,968/144,961,280 = 144,961,280/x
3. Step 3: Cross multiply
   69,619,968x = 144,961,280 × 144,961,280
4. Step 4: Simplify right side
   69,619,968x = 21,013,772,699,238,400
5. Step 5: Solve for x
   x = 21,013,772,699,238,400/69,619,968
6. Step 6: Final answer
   x = 301,835,426.00