Finding the Third Proportional to 10,292,051.25 and 21,915,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,292,051.25 : 21,915,256.50 = 21,915,256.50 : x
2. Step 2: Convert to fraction form
   10,292,051.25/21,915,256.50 = 21,915,256.50/x
3. Step 3: Cross multiply
   10,292,051.25x = 21,915,256.50 × 21,915,256.50
4. Step 4: Simplify right side
   10,292,051.25x = 480,278,467,460,792.25
5. Step 5: Solve for x
   x = 480,278,467,460,792.25/10,292,051.25
6. Step 6: Final answer
   x = 46,664,989.88