Finding the Third Proportional to 421,090,321.50 and 939,002,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   421,090,321.50 : 939,002,953.50 = 939,002,953.50 : x
2. Step 2: Convert to fraction form
   421,090,321.50/939,002,953.50 = 939,002,953.50/x
3. Step 3: Cross multiply
   421,090,321.50x = 939,002,953.50 × 939,002,953.50
4. Step 4: Simplify right side
   421,090,321.50x = 881,726,546,681,723,136
5. Step 5: Solve for x
   x = 881,726,546,681,723,136/421,090,321.50
6. Step 6: Final answer
   x = 2,093,913,114.75