Finding the Third Proportional to 45,503,040 and 64,385,418

Step by Step Solution

1. Step 1: Write the proportion equation
   45,503,040 : 64,385,418 = 64,385,418 : x
2. Step 2: Convert to fraction form
   45,503,040/64,385,418 = 64,385,418/x
3. Step 3: Cross multiply
   45,503,040x = 64,385,418 × 64,385,418
4. Step 4: Simplify right side
   45,503,040x = 4,145,482,051,034,724
5. Step 5: Solve for x
   x = 4,145,482,051,034,724/45,503,040
6. Step 6: Final answer
   x = 91,103,408.72