Finding the Third Proportional to 56,438,460 and 82,479,960

Step by Step Solution

1. Step 1: Write the proportion equation
   56,438,460 : 82,479,960 = 82,479,960 : x
2. Step 2: Convert to fraction form
   56,438,460/82,479,960 = 82,479,960/x
3. Step 3: Cross multiply
   56,438,460x = 82,479,960 × 82,479,960
4. Step 4: Simplify right side
   56,438,460x = 6,802,943,801,601,600
5. Step 5: Solve for x
   x = 6,802,943,801,601,600/56,438,460
6. Step 6: Final answer
   x = 120,537,374.72