Finding the Third Proportional to 2,658,603.75 and 5,798,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,603.75 : 5,798,428.50 = 5,798,428.50 : x
2. Step 2: Convert to fraction form
   2,658,603.75/5,798,428.50 = 5,798,428.50/x
3. Step 3: Cross multiply
   2,658,603.75x = 5,798,428.50 × 5,798,428.50
4. Step 4: Simplify right side
   2,658,603.75x = 33,621,773,069,612.25
5. Step 5: Solve for x
   x = 33,621,773,069,612.25/2,658,603.75
6. Step 6: Final answer
   x = 12,646,402.48