Finding the Third Proportional to 72,677,475.28 and 111,710,534.91

Step by Step Solution

1. Step 1: Write the proportion equation
   72,677,475.28 : 111,710,534.91 = 111,710,534.91 : x
2. Step 2: Convert to fraction form
   72,677,475.28/111,710,534.91 = 111,710,534.91/x
3. Step 3: Cross multiply
   72,677,475.28x = 111,710,534.91 × 111,710,534.91
4. Step 4: Simplify right side
   72,677,475.28x = 12,479,243,609,040,500
5. Step 5: Solve for x
   x = 12,479,243,609,040,500/72,677,475.28
6. Step 6: Final answer
   x = 171,707,170.08