Finding the Third Proportional to 10,640,407.50 and 16,509,522

Step by Step Solution

1. Step 1: Write the proportion equation
   10,640,407.50 : 16,509,522 = 16,509,522 : x
2. Step 2: Convert to fraction form
   10,640,407.50/16,509,522 = 16,509,522/x
3. Step 3: Cross multiply
   10,640,407.50x = 16,509,522 × 16,509,522
4. Step 4: Simplify right side
   10,640,407.50x = 272,564,316,668,484
5. Step 5: Solve for x
   x = 272,564,316,668,484/10,640,407.50
6. Step 6: Final answer
   x = 25,615,965.99