Finding the Third Proportional to 39,077,408 and 59,776,560

Step by Step Solution

1. Step 1: Write the proportion equation
   39,077,408 : 59,776,560 = 59,776,560 : x
2. Step 2: Convert to fraction form
   39,077,408/59,776,560 = 59,776,560/x
3. Step 3: Cross multiply
   39,077,408x = 59,776,560 × 59,776,560
4. Step 4: Simplify right side
   39,077,408x = 3,573,237,125,433,600
5. Step 5: Solve for x
   x = 3,573,237,125,433,600/39,077,408
6. Step 6: Final answer
   x = 91,439,972.82