Finding the Third Proportional to 31,156,020 and 67,798,134

Step by Step Solution

1. Step 1: Write the proportion equation
   31,156,020 : 67,798,134 = 67,798,134 : x
2. Step 2: Convert to fraction form
   31,156,020/67,798,134 = 67,798,134/x
3. Step 3: Cross multiply
   31,156,020x = 67,798,134 × 67,798,134
4. Step 4: Simplify right side
   31,156,020x = 4,596,586,973,881,956
5. Step 5: Solve for x
   x = 4,596,586,973,881,956/31,156,020
6. Step 6: Final answer
   x = 147,534,472.44