Finding the Third Proportional to 19,477,347,453 and 42,540,725,364

Step by Step Solution

1. Step 1: Write the proportion equation
   19,477,347,453 : 42,540,725,364 = 42,540,725,364 : x
2. Step 2: Convert to fraction form
   19,477,347,453/42,540,725,364 = 42,540,725,364/x
3. Step 3: Cross multiply
   19,477,347,453x = 42,540,725,364 × 42,540,725,364
4. Step 4: Simplify right side
   19,477,347,453x = 1,809,713,314,495,272,845,312
5. Step 5: Solve for x
   x = 1,809,713,314,495,272,845,312/19,477,347,453
6. Step 6: Final answer
   x = 92,913,746,025.34