Finding the Third Proportional to 31,045,194 and 65,307,789

Step by Step Solution

1. Step 1: Write the proportion equation
   31,045,194 : 65,307,789 = 65,307,789 : x
2. Step 2: Convert to fraction form
   31,045,194/65,307,789 = 65,307,789/x
3. Step 3: Cross multiply
   31,045,194x = 65,307,789 × 65,307,789
4. Step 4: Simplify right side
   31,045,194x = 4,265,107,304,068,521
5. Step 5: Solve for x
   x = 4,265,107,304,068,521/31,045,194
6. Step 6: Final answer
   x = 137,383,818.70