Finding the Third Proportional to 11,439,457.50 and 16,000,380

Step by Step Solution

1. Step 1: Write the proportion equation
   11,439,457.50 : 16,000,380 = 16,000,380 : x
2. Step 2: Convert to fraction form
   11,439,457.50/16,000,380 = 16,000,380/x
3. Step 3: Cross multiply
   11,439,457.50x = 16,000,380 × 16,000,380
4. Step 4: Simplify right side
   11,439,457.50x = 256,012,160,144,400
5. Step 5: Solve for x
   x = 256,012,160,144,400/11,439,457.50
6. Step 6: Final answer
   x = 22,379,746.60