Finding the Third Proportional to 72,946,432 and 157,997,900

Step by Step Solution

1. Step 1: Write the proportion equation
   72,946,432 : 157,997,900 = 157,997,900 : x
2. Step 2: Convert to fraction form
   72,946,432/157,997,900 = 157,997,900/x
3. Step 3: Cross multiply
   72,946,432x = 157,997,900 × 157,997,900
4. Step 4: Simplify right side
   72,946,432x = 24,963,336,404,410,000
5. Step 5: Solve for x
   x = 24,963,336,404,410,000/72,946,432
6. Step 6: Final answer
   x = 342,214,632.30