Finding the Third Proportional to 67,099,438 and 146,759,060

Step by Step Solution

1. Step 1: Write the proportion equation
   67,099,438 : 146,759,060 = 146,759,060 : x
2. Step 2: Convert to fraction form
   67,099,438/146,759,060 = 146,759,060/x
3. Step 3: Cross multiply
   67,099,438x = 146,759,060 × 146,759,060
4. Step 4: Simplify right side
   67,099,438x = 21,538,221,692,083,600
5. Step 5: Solve for x
   x = 21,538,221,692,083,600/67,099,438
6. Step 6: Final answer
   x = 320,989,598.93