Finding the Third Proportional to 7,138,298 and 10,874,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,138,298 : 10,874,746.50 = 10,874,746.50 : x
2. Step 2: Convert to fraction form
   7,138,298/10,874,746.50 = 10,874,746.50/x
3. Step 3: Cross multiply
   7,138,298x = 10,874,746.50 × 10,874,746.50
4. Step 4: Simplify right side
   7,138,298x = 118,260,111,439,262.25
5. Step 5: Solve for x
   x = 118,260,111,439,262.25/7,138,298
6. Step 6: Final answer
   x = 16,566,989.98