Finding the Third Proportional to 1,512,061,810.50 and 2,371,978,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,512,061,810.50 : 2,371,978,618.50 = 2,371,978,618.50 : x
2. Step 2: Convert to fraction form
   1,512,061,810.50/2,371,978,618.50 = 2,371,978,618.50/x
3. Step 3: Cross multiply
   1,512,061,810.50x = 2,371,978,618.50 × 2,371,978,618.50
4. Step 4: Simplify right side
   1,512,061,810.50x = 5,626,282,566,621,168,640
5. Step 5: Solve for x
   x = 5,626,282,566,621,168,640/1,512,061,810.50
6. Step 6: Final answer
   x = 3,720,934,241.94