Finding the Third Proportional to 1,128,631,407 and 2,360,171,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,631,407 : 2,360,171,385.50 = 2,360,171,385.50 : x
2. Step 2: Convert to fraction form
   1,128,631,407/2,360,171,385.50 = 2,360,171,385.50/x
3. Step 3: Cross multiply
   1,128,631,407x = 2,360,171,385.50 × 2,360,171,385.50
4. Step 4: Simplify right side
   1,128,631,407x = 5,570,408,968,932,989,952
5. Step 5: Solve for x
   x = 5,570,408,968,932,989,952/1,128,631,407
6. Step 6: Final answer
   x = 4,935,543,113.88