Finding the Third Proportional to 72,946,356 and 157,997,780

Step by Step Solution

1. Step 1: Write the proportion equation
   72,946,356 : 157,997,780 = 157,997,780 : x
2. Step 2: Convert to fraction form
   72,946,356/157,997,780 = 157,997,780/x
3. Step 3: Cross multiply
   72,946,356x = 157,997,780 × 157,997,780
4. Step 4: Simplify right side
   72,946,356x = 24,963,298,484,928,400
5. Step 5: Solve for x
   x = 24,963,298,484,928,400/72,946,356
6. Step 6: Final answer
   x = 342,214,469.01