Finding the Third Proportional to 31,959,192 and 69,897,456

Step by Step Solution

1. Step 1: Write the proportion equation
   31,959,192 : 69,897,456 = 69,897,456 : x
2. Step 2: Convert to fraction form
   31,959,192/69,897,456 = 69,897,456/x
3. Step 3: Cross multiply
   31,959,192x = 69,897,456 × 69,897,456
4. Step 4: Simplify right side
   31,959,192x = 4,885,654,355,271,936
5. Step 5: Solve for x
   x = 4,885,654,355,271,936/31,959,192
6. Step 6: Final answer
   x = 152,871,648.17