Finding the Third Proportional to 34,339,528 and 72,772,688

Step by Step Solution

1. Step 1: Write the proportion equation
   34,339,528 : 72,772,688 = 72,772,688 : x
2. Step 2: Convert to fraction form
   34,339,528/72,772,688 = 72,772,688/x
3. Step 3: Cross multiply
   34,339,528x = 72,772,688 × 72,772,688
4. Step 4: Simplify right side
   34,339,528x = 5,295,864,118,745,344
5. Step 5: Solve for x
   x = 5,295,864,118,745,344/34,339,528
6. Step 6: Final answer
   x = 154,220,643.88