Finding the Third Proportional to 6,880,782 and 10,931,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,880,782 : 10,931,386.50 = 10,931,386.50 : x
2. Step 2: Convert to fraction form
   6,880,782/10,931,386.50 = 10,931,386.50/x
3. Step 3: Cross multiply
   6,880,782x = 10,931,386.50 × 10,931,386.50
4. Step 4: Simplify right side
   6,880,782x = 119,495,210,812,382.25
5. Step 5: Solve for x
   x = 119,495,210,812,382.25/6,880,782
6. Step 6: Final answer
   x = 17,366,516.02