Finding the Third Proportional to 53,535,411,972 and 80,090,859,982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,535,411,972 : 80,090,859,982.50 = 80,090,859,982.50 : x
2. Step 2: Convert to fraction form
   53,535,411,972/80,090,859,982.50 = 80,090,859,982.50/x
3. Step 3: Cross multiply
   53,535,411,972x = 80,090,859,982.50 × 80,090,859,982.50
4. Step 4: Simplify right side
   53,535,411,972x = 6,414,545,852,736,419,659,776
5. Step 5: Solve for x
   x = 6,414,545,852,736,419,659,776/53,535,411,972
6. Step 6: Final answer
   x = 119,818,744,573.99