Finding the Third Proportional to 53,403,259.50 and 109,637,590.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,403,259.50 : 109,637,590.50 = 109,637,590.50 : x
2. Step 2: Convert to fraction form
   53,403,259.50/109,637,590.50 = 109,637,590.50/x
3. Step 3: Cross multiply
   53,403,259.50x = 109,637,590.50 × 109,637,590.50
4. Step 4: Simplify right side
   53,403,259.50x = 12,020,401,250,645,690
5. Step 5: Solve for x
   x = 12,020,401,250,645,690/53,403,259.50
6. Step 6: Final answer
   x = 225,087,407.83