Finding the Third Proportional to 34,339,488 and 72,772,608

Step by Step Solution

1. Step 1: Write the proportion equation
   34,339,488 : 72,772,608 = 72,772,608 : x
2. Step 2: Convert to fraction form
   34,339,488/72,772,608 = 72,772,608/x
3. Step 3: Cross multiply
   34,339,488x = 72,772,608 × 72,772,608
4. Step 4: Simplify right side
   34,339,488x = 5,295,852,475,121,664
5. Step 5: Solve for x
   x = 5,295,852,475,121,664/34,339,488
6. Step 6: Final answer
   x = 154,220,484.45