Finding the Third Proportional to 42,443,840.25 and 90,938,358

Step by Step Solution

1. Step 1: Write the proportion equation
   42,443,840.25 : 90,938,358 = 90,938,358 : x
2. Step 2: Convert to fraction form
   42,443,840.25/90,938,358 = 90,938,358/x
3. Step 3: Cross multiply
   42,443,840.25x = 90,938,358 × 90,938,358
4. Step 4: Simplify right side
   42,443,840.25x = 8,269,784,955,736,164
5. Step 5: Solve for x
   x = 8,269,784,955,736,164/42,443,840.25
6. Step 6: Final answer
   x = 194,840,639.00