Finding the Third Proportional to 42,621,462 and 68,641,897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,621,462 : 68,641,897.50 = 68,641,897.50 : x
2. Step 2: Convert to fraction form
   42,621,462/68,641,897.50 = 68,641,897.50/x
3. Step 3: Cross multiply
   42,621,462x = 68,641,897.50 × 68,641,897.50
4. Step 4: Simplify right side
   42,621,462x = 4,711,710,092,400,506
5. Step 5: Solve for x
   x = 4,711,710,092,400,506/42,621,462
6. Step 6: Final answer
   x = 110,547,828.99