Finding the Third Proportional to 28,472,117 and 42,521,601

Step by Step Solution

1. Step 1: Write the proportion equation
   28,472,117 : 42,521,601 = 42,521,601 : x
2. Step 2: Convert to fraction form
   28,472,117/42,521,601 = 42,521,601/x
3. Step 3: Cross multiply
   28,472,117x = 42,521,601 × 42,521,601
4. Step 4: Simplify right side
   28,472,117x = 1,808,086,551,603,201
5. Step 5: Solve for x
   x = 1,808,086,551,603,201/28,472,117
6. Step 6: Final answer
   x = 63,503,762.35