Finding the Third Proportional to 19,563,090 and 42,905,312

Step by Step Solution

1. Step 1: Write the proportion equation
   19,563,090 : 42,905,312 = 42,905,312 : x
2. Step 2: Convert to fraction form
   19,563,090/42,905,312 = 42,905,312/x
3. Step 3: Cross multiply
   19,563,090x = 42,905,312 × 42,905,312
4. Step 4: Simplify right side
   19,563,090x = 1,840,865,797,817,344
5. Step 5: Solve for x
   x = 1,840,865,797,817,344/19,563,090
6. Step 6: Final answer
   x = 94,098,928.02