Finding the Third Proportional to 6,909,498 and 10,838,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,909,498 : 10,838,020.50 = 10,838,020.50 : x
2. Step 2: Convert to fraction form
   6,909,498/10,838,020.50 = 10,838,020.50/x
3. Step 3: Cross multiply
   6,909,498x = 10,838,020.50 × 10,838,020.50
4. Step 4: Simplify right side
   6,909,498x = 117,462,688,358,420.25
5. Step 5: Solve for x
   x = 117,462,688,358,420.25/6,909,498
6. Step 6: Final answer
   x = 17,000,176.91