Finding the Third Proportional to 1,709,280 and 3,692,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,280 : 3,692,664 = 3,692,664 : x
2. Step 2: Convert to fraction form
   1,709,280/3,692,664 = 3,692,664/x
3. Step 3: Cross multiply
   1,709,280x = 3,692,664 × 3,692,664
4. Step 4: Simplify right side
   1,709,280x = 13,635,767,416,896
5. Step 5: Solve for x
   x = 13,635,767,416,896/1,709,280
6. Step 6: Final answer
   x = 7,977,491.94