Finding the Third Proportional to 19,648,223,152 and 42,739,018,154

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648,223,152 : 42,739,018,154 = 42,739,018,154 : x
2. Step 2: Convert to fraction form
   19,648,223,152/42,739,018,154 = 42,739,018,154/x
3. Step 3: Cross multiply
   19,648,223,152x = 42,739,018,154 × 42,739,018,154
4. Step 4: Simplify right side
   19,648,223,152x = 1,826,623,672,767,941,443,584
5. Step 5: Solve for x
   x = 1,826,623,672,767,941,443,584/19,648,223,152
6. Step 6: Final answer
   x = 92,966,354,190.76