Finding the Third Proportional to 12,980,346 and 28,371,861

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980,346 : 28,371,861 = 28,371,861 : x
2. Step 2: Convert to fraction form
   12,980,346/28,371,861 = 28,371,861/x
3. Step 3: Cross multiply
   12,980,346x = 28,371,861 × 28,371,861
4. Step 4: Simplify right side
   12,980,346x = 804,962,496,603,321
5. Step 5: Solve for x
   x = 804,962,496,603,321/12,980,346
6. Step 6: Final answer
   x = 62,013,947.59