Finding the Third Proportional to 3,140,432 and 4,980,972

Step by Step Solution

1. Step 1: Write the proportion equation
   3,140,432 : 4,980,972 = 4,980,972 : x
2. Step 2: Convert to fraction form
   3,140,432/4,980,972 = 4,980,972/x
3. Step 3: Cross multiply
   3,140,432x = 4,980,972 × 4,980,972
4. Step 4: Simplify right side
   3,140,432x = 24,810,082,064,784
5. Step 5: Solve for x
   x = 24,810,082,064,784/3,140,432
6. Step 6: Final answer
   x = 7,900,213.11