Finding the Third Proportional to 389,705,843.25 and 848,015,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,705,843.25 : 848,015,626.50 = 848,015,626.50 : x
2. Step 2: Convert to fraction form
   389,705,843.25/848,015,626.50 = 848,015,626.50/x
3. Step 3: Cross multiply
   389,705,843.25x = 848,015,626.50 × 848,015,626.50
4. Step 4: Simplify right side
   389,705,843.25x = 719,130,502,788,187,520
5. Step 5: Solve for x
   x = 719,130,502,788,187,520/389,705,843.25
6. Step 6: Final answer
   x = 1,845,316,192.31