Finding the Third Proportional to 413,978,026.50 and 885,395,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   413,978,026.50 : 885,395,947.50 = 885,395,947.50 : x
2. Step 2: Convert to fraction form
   413,978,026.50/885,395,947.50 = 885,395,947.50/x
3. Step 3: Cross multiply
   413,978,026.50x = 885,395,947.50 × 885,395,947.50
4. Step 4: Simplify right side
   413,978,026.50x = 783,925,983,849,422,720
5. Step 5: Solve for x
   x = 783,925,983,849,422,720/413,978,026.50
6. Step 6: Final answer
   x = 1,893,641,530.87