Finding the Third Proportional to 9,805,796,017.50 and 13,759,472,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805,796,017.50 : 13,759,472,971.50 = 13,759,472,971.50 : x
2. Step 2: Convert to fraction form
   9,805,796,017.50/13,759,472,971.50 = 13,759,472,971.50/x
3. Step 3: Cross multiply
   9,805,796,017.50x = 13,759,472,971.50 × 13,759,472,971.50
4. Step 4: Simplify right side
   9,805,796,017.50x = 189,323,096,453,439,029,248
5. Step 5: Solve for x
   x = 189,323,096,453,439,029,248/9,805,796,017.50
6. Step 6: Final answer
   x = 19,307,264,409.29