Finding the Third Proportional to 3,645,432 and 7,977,393

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645,432 : 7,977,393 = 7,977,393 : x
2. Step 2: Convert to fraction form
   3,645,432/7,977,393 = 7,977,393/x
3. Step 3: Cross multiply
   3,645,432x = 7,977,393 × 7,977,393
4. Step 4: Simplify right side
   3,645,432x = 63,638,799,076,449
5. Step 5: Solve for x
   x = 63,638,799,076,449/3,645,432
6. Step 6: Final answer
   x = 17,457,135.14