Finding the Third Proportional to 72,812,154 and 156,429,992

Step by Step Solution

1. Step 1: Write the proportion equation
   72,812,154 : 156,429,992 = 156,429,992 : x
2. Step 2: Convert to fraction form
   72,812,154/156,429,992 = 156,429,992/x
3. Step 3: Cross multiply
   72,812,154x = 156,429,992 × 156,429,992
4. Step 4: Simplify right side
   72,812,154x = 24,470,342,397,120,064
5. Step 5: Solve for x
   x = 24,470,342,397,120,064/72,812,154
6. Step 6: Final answer
   x = 336,074,968.98