Finding the Third Proportional to 33,513,994 and 72,318,520

Step by Step Solution

1. Step 1: Write the proportion equation
   33,513,994 : 72,318,520 = 72,318,520 : x
2. Step 2: Convert to fraction form
   33,513,994/72,318,520 = 72,318,520/x
3. Step 3: Cross multiply
   33,513,994x = 72,318,520 × 72,318,520
4. Step 4: Simplify right side
   33,513,994x = 5,229,968,334,990,400
5. Step 5: Solve for x
   x = 5,229,968,334,990,400/33,513,994
6. Step 6: Final answer
   x = 156,053,269.42