Finding the Third Proportional to 371,892,820 and 810,747,300

Step by Step Solution

1. Step 1: Write the proportion equation
   371,892,820 : 810,747,300 = 810,747,300 : x
2. Step 2: Convert to fraction form
   371,892,820/810,747,300 = 810,747,300/x
3. Step 3: Cross multiply
   371,892,820x = 810,747,300 × 810,747,300
4. Step 4: Simplify right side
   371,892,820x = 657,311,184,457,289,984
5. Step 5: Solve for x
   x = 657,311,184,457,289,984/371,892,820
6. Step 6: Final answer
   x = 1,767,474,791.41