Finding the Third Proportional to 4,602,328.50 and 10,012,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,602,328.50 : 10,012,690.50 = 10,012,690.50 : x
2. Step 2: Convert to fraction form
   4,602,328.50/10,012,690.50 = 10,012,690.50/x
3. Step 3: Cross multiply
   4,602,328.50x = 10,012,690.50 × 10,012,690.50
4. Step 4: Simplify right side
   4,602,328.50x = 100,253,971,048,790.25
5. Step 5: Solve for x
   x = 100,253,971,048,790.25/4,602,328.50
6. Step 6: Final answer
   x = 21,783,314.91