Finding the Third Proportional to 13,827,300 and 19,918,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,827,300 : 19,918,690.50 = 19,918,690.50 : x
2. Step 2: Convert to fraction form
   13,827,300/19,918,690.50 = 19,918,690.50/x
3. Step 3: Cross multiply
   13,827,300x = 19,918,690.50 × 19,918,690.50
4. Step 4: Simplify right side
   13,827,300x = 396,754,231,234,790.25
5. Step 5: Solve for x
   x = 396,754,231,234,790.25/13,827,300
6. Step 6: Final answer
   x = 28,693,543.30