Finding the Third Proportional to 31,425,722 and 67,654,276

Step by Step Solution

1. Step 1: Write the proportion equation
   31,425,722 : 67,654,276 = 67,654,276 : x
2. Step 2: Convert to fraction form
   31,425,722/67,654,276 = 67,654,276/x
3. Step 3: Cross multiply
   31,425,722x = 67,654,276 × 67,654,276
4. Step 4: Simplify right side
   31,425,722x = 4,577,101,061,084,176
5. Step 5: Solve for x
   x = 4,577,101,061,084,176/31,425,722
6. Step 6: Final answer
   x = 145,648,238.76